Timstar

A versatile modelling material which never dries out and can be moulded, cut, shaped, rolled and reused repeatedly. Colour clay is substitute for plasticine and is equivalent in quality. Despite being malleable, models will always retain their shape. Used extensively in schools and colleges. Supplied in packs of 500 g.

A versatile modelling material which never dries out and can be moulded, cut, shaped, rolled and reused repeatedly. Colour clay is substitute for plasticine and is equivalent in quality. Despite being malleable, models will always retain their shape. Used extensively in schools and colleges. Supplied in packs of 500 g.

This fun resource can be used to demonstrate open and closed circuits as well as bringing some WOW to your science lessons. Completely safe to use, simply touch both the contacts on each end of the stick to form a complete circuit. When a circuit is formed the Circuit Maker/Breaker will emit a loud beep and the lights on the front will glow up. As soon as one of the contacts isn't touched, the circuit will be broken and the Circuit Maker/Breaker will stop working. Bring some WOW to your lesson by adding more and more people to the circuit! Get the children to form a circle linking hands so that the circuit maker breaker will light up and beep, but when the link is broken then the stick stops working. How many children can you get to complete your circuit? Add a further challenge by allowing the children to find objects to put in the link that will break or continue the circuit for the stick to work! Or use the Circuit Maker/Breaker as a tester of insulators or conductors by covering the ends of the stick with different materials and testing whether circuit can still be created. Based on teacher feedback, we have specifically designed the Circuit Maker/Breaker to be large in size so that it can be seen by all of the class. Measuring 15 x 5 cm in size and made from durable ABS plastic the Circuit Maker/Breaker is powered by 2 x AAA batteries with battery life of approx year in standby.

This toy has a serious scientific purpose because it provides a stunning demonstration of vortex formation and transmission. When the toy is 'fired' doughnut shaped ring of air (the vortex) is generated and moves outwards at high speed. It has sufficient energy to create a noticeable impact at some distance hence the toy interest. Ideal as a design project to attempt to recreate the same effect using cardboard boxes, etc.

This very large 3ft resistance parachute is ideal to encourage children to run. Not only can it be used as fun outdoor activity, it can also be used to learn about the effects of air resistance.

Make a circle, join hands, use the Cosmic Ball to complete an electric circuit and watch as it lights up, pulses brightly and emits sound when the circuit is completed.

Make 'snow' in matter of minutes with this amazing Super Snow polymer, which expands to over 100 times its size and last for weeks without rewetting. In addition, the 'snow' can be reused. Simply add to water and stir until expansion occurs, creating wet looking 'snow'. Pack includes 60 of Super Snow, colouring tablets (to create different coloured 'snow') and instruction sheet.

Polymorph is one of new generation of commercial polymers set to have major impact on model making and prototyping. This polymer has all the characteristics of tough ""engineering"" material yet it fuses and becomes easily mouldable at just 62°C. It can be heated with just hot water or hairdryer and moulded by hand to create prototypes and solve manufacturing problems currently outside the capacity of other materials.

UV colour change beads which change from white to various colours under natural sunlight or UV light. Supplied as pack of 500 mixed colour beads.

A remarkable self adhesive sheet material printed with thermochromic liquid crystal 'ink'. Changes colour (bright blue) when heated above 27°C. Potential applications are many and varied. e.g, temperature indication/warnings, body jewellery, advertising displays (attach resistance wire to the rear and pass a small current to cause dramatic colour changes to the front 'screen'. Note: Typical applications require only very small pieces e.g. 25 x 25 mm.

Far more than just starter kit, this comprehensive selection case contains a vast array of smart and unusual materials and is ideal for those required to give presentations or demonstrations about materials. The case includes smart materials book and some basic accessories for handling the materials. Case size: 46 x 33 x 15cm. Case contents • Thermally responsive: Thermochromic pigment; Thermofilm; Thermal paper (fax); Phase change powder. • Smart Alloys and Polymers: Shape memory polymer; Smart putty; Rare earth magnet; Superelastic wire; Memory wire; 2-way memory spring. • Optically Responsive Materials and LEDs: Glow-in-the-dark film; Optical fibre; UV fluid; UV beads; LEDs. • Fibres and Woven Materials: Silk Cocoons; Kevlar fabric; Carbon fibre fabric; Ripstop nylon; Silk; Lycra; Ecofilm; Genuine carbon fibre sheet. • Special Polymers: Polymorph; Hydrogel; Expancel; Chromatic Alginate. • 'Nano' Materials: QTC pills; Broken shells; Chameleon nano flakes; Smart film.

A 5 mm dia. x 12 mm (when closed) spring made from shape memory alloy (NiTi). At room temperature this spring is soft enough to pull out to approximately 50 mm by applying a small force. When heated to 70°C by passing an electric current through it, the spring contracts to its original length with useful pulling force (equivalent to lifting 0.5 kg weight).

This remarkable alloy melts at just 61°C but, unlike the most familiar low melting point alloys, does not contain lead or cadmium. It is a relatively hard and extremely tough alloy that has a wide variety of scientific and manufacturing applications. It is used for example to fill small tubes for bending without crushing, casting for models and jewellery, and for making precision moulds. Although relatively expensive because it contains the rare element indium, Field's metal makes a fantastic demonstration of how several constituents, each with much higher melting point, can be combined to produce fusible alloy. Note: indium has risen in price recently because of its use in LCD TV screens. It 'wets' and adheres to many surfaces hence the propensity of Field's metal to adhere to plastics. Approx. 10 g.

With no wheat, gluten or nut oil, this is the most widely used type of glue used to stick paper and card in schools. It dries to a clear finish and is washable.

Polypropylene adhesive tape which is strong yet easy to tear.

This tape is made of lightweight, translucent crepe paper that sticks easily on to walls, skirting, floors and ceilings to protect them from paint when decorating. The light adhesive can be easily pulled away from walls without leaving unsightly marks or damage.

Adhesive tape dispenser with dual core to take both standard and 25 mm core tapes. Non-slip rubber base, weighted to make one-handed use possible. • Non-slip rubber base • Weighted making one-handed use possible • Dual core takes standard and 25mm core tapes

These multi-function calculators are ideal for introducing basic maths operations to students. Key features include: dual power source: solar and battery (battery included), auto shut off, 8 digit LCD display, 3 key memory and four functions. Class Set contains: 30 Student Calculators and 1 Teacher (Desktop) Calculator in a foam insert inside a deep Gratnells Tray with lid. 30 Student Calculators (112 x 68 mm) + 1 Desktop Calculator (125 x 100 mm).

This multi-function calculator is ideal for introducing basic maths operations to students. Key features include: dual power source: solar and battery (battery included), auto shut off, 8 digit LCD display, 3 key memory and four functions. Size: 112 x 68 mm.

This strong, durable A4 clipboard provides hard, smooth, glazed surface, with an integral heavy duty clip. • Strong clip ensures papers are always secured • Glazed surface for smooth writing

Fine tipped permanent marker pens suitable for use on OHPs, CDs and many other surfaces.Tip size 0.6mm. Supplied in pack 10. • Medium tip ball point pens for quality writing • Designed to prevent ink leakage • Tungsten nib gives consistent quality • Ergonomic barrel is perfect for long use

26/6mm size full strip staples.

A box of assorted rubber bands.

This heavy duty hole punch is able to punch through up to 63 sheets of 80 gsm paper at time. The extended handle makes using the machine effortless. The punch includes an integrated guide to ensure punching is precise and accurate. • Heavy duty 2-hole punch for the easy punching of documents • Can punch up to 63 sheets of 80 gsm paper • Guidelines ensure that punching is always precise

Reams (500 sheets) of pre-punched A4 graph paper with 2:10:20 mm ruling (2 mm squares). •Ruling 2:10:20 mm squares •Punched with standard two-hole punching •Ruling colour: blue •Printed both sides •Paper weight 90 gsm •Paper size A4: 297 x 210 mm •Supplied in packs of 500

Exercise paper, A4, 8mm feint and margin, punched. Ream of 500 sheets.

Cost effective pack of medium size erasers. Box of 20, eraser dimensions 43 x 25 x 12mm.

Contains 28 red right handed and left handed red/blue ruler scissors making this an ideal classroom pack. Complete with sturdy rubber wood storage block.

For individual use. A4 size.

Mixed pack of colours for student use; Red, blue, black, green.

Whiteboard cleaner spray with special formula for removing stains, drywipe marker residue, grease etc. to help maintain the appearance of whiteboards. 250ml pump action bottle.

Iron wire with ceramic centre. Each pack has batch number, and UKAS asbestos certificate is available online. Supplied in packs of 10

Borosilicate glass, plain pattern, angled tip, short stem, filter funnel.

Borosilicate glass, plain pattern, angled tip, short stem, filter funnel.

Set comprises: Ranunculus t.s. mature root, Zea mays t.s. root, Allium I.s. root tip for mitosis, Cucurbita t.s. and I.s. stem, Tilia annual ringed, Zea t.s.& I.s. stem, Buxus lower epidermis, Ranunculus I.s. flower, Capsella I.s. ovule, Triticum germinating seed, Stigma with pollen tube, Pollen grains, Ligustrum t.s. leaf, Vicia young root hairs, Lilium t.s. mature anthers pollen, Ranunculus t.s. stem, Helianthus t.s. stem old secondary thickening, Zea t.s. leaf.

Set providing range of prepared slides suitable for use in Biology and Mammal Biology courses. Includes teaching notes. Comprises: Human blood smear, Phagocytosis in lung, Artery and vein, Trachea t.s., Lung t.s. thin section, Joint l.s., Bone t.s., Striated muscle teased, Smooth muscle, Tongue v.s., Oesophagus t.s., Stomach t.s., Small intestine, Colon t.s., Plantar skin v.s. sweat glands, Scalp hair insertion sebaceous glands, Eye v.s., Nerve cells from spinal cord, Myelinated nerve fibres, Spinal cord t.s., Ovary, Testis, Kidney v.s. triple stain, Kidney l.s.

Set comprises: Pseudostratified ciliated columnar epithelium of trachea, Simple columnar epithelium, Squamous epithelium, Adipose tissue, Compact bone, Striated muscle (teased), Nerve cells isolated, Spinal cord, Aorta artery and vein, Human blood smear, Liver, Pancreas, stomach, Ileum, Duodenum, Mammal scalp, Smooth muscle, Kidney, Ovary, Rat testis, Lung, Injected small intestine, Effector nerve ending, Cardiac muscle.

Set of slides comprising: Hydra w.m., Hydra I.s. ecto/endoderm, Planarian w.m., Fasciola w.m., Taenia proglottid, Meiosis locust testis squash, Amphioxus t.s. pharyngeal region, Trichinella encysted larva in muscle, Nereis w.m. parapodium, Blood smear, Nerve smear, Porifera Grantia, Obelia, Periplaneta head with mouthparts, Drosophila wild type w.m., Earthworm t.s. Frog skin, Mites w.m., Spinal cord, Mammalian skin with hair, Embryo v.l.s.

Set of slides that fulfills the requirements of most GCSE Biology courses. Comprises one each of: Striated muscle, Human blood smear, Small intestine t.s. injected, Saccharomyces budding, Zea stem t.s. and l.s., Allium I.s. root tip for mitosis, Triticum I.s. seed, Nerve cells isolated, Stomach v.s., Squamous epithelium cheek cells, Entire kidney I.s., Mixed bacteria, Allium leaf w.m. epidermis with stomata, Germinating pollen I.s. stigma, Ligustrum (Privet) t.s. leaf, Pacinian corpuscle receptor cells, Nettle stinging cells, Mixed pollen, Cucurbita stem t.s. and I.s., Adipose tissue, Artery and vein, Lung, Skin.

Prepared slide, Arthropoda, Insect trachea.

Prepared slide, cytology and cells, human chromosomes, normal female.

Prepared slide, epithelial tissue, squamous epithelium human mouth scrapings.

Prepared slide, muscular tissue, striated muscle ts showing muscle spindles.

Prepared slide, muscular tissue, striated muscles.

Prepared slide, muscular tissue, cardiac muscles LS for striations.

Prepared slide, muscular tissue, non-striated (smooth) muscle.

Prepared slide, nervous tissue, nerve cells.

Prepared slide, nervous tissue, spinal cord ts.

Prepared slide, Circulatory system, human blood smear, unstained.

Prepared slide, Circulatory system, artery and vein section.

Prepared slide, Circulatory system, human vein, ts stained for elastic fibres.

Prepared slide, Circulatory system, entire heart LS small mammal.

Prepared slide, Circulatory system, human blood stained giemsa stain.

Prepared slide, Circulatory system, human blood smear, stained.

Prepared slide, skin, human plantar skin VS.

Prepared slide, skin, human skin general body surface.

Prepared slide, respiratory system, lung TS.

Prepared slide, respiratory system, gills of bony fish, TS.

Prepared slide, digestive system, pancreas for islets of langerhans and exocrine acini.

Prepared slide, urogenitary system, kidney VS thin section.

Prepared slide, urogenitary system, kidney LS entire.

Prepared slide, urogenitary system, human testis TS.

Prepared slide, urogenitary system, human spermatoza smear.

Prepared slide, urogenitary system, ovary, TS.

Prepared slide, fungi, mucor E with sporangia.

Prepared slide, fungi, mucor E with zygospores.

Prepared slide, fungi, saccharomyces cerevisiae (Brewer's yeast) budding.

Prepared slide, protozoa, amoeba proteus.

Prepared slide, protozoa, euglena viridis

Prepared slide, protozoa, mixed protozoa.

Prepared slide, bacteria, gram +ve and -ve bacilli gram stain.

Prepared slide, bacteria, escherichia coli gram stain.

Prepared slide, bacteria, bacillus subtilis gram stain.

Prepared slide, algae, spirogyra vegetative filaments.

Prepared slide, angiospermae - monocot roots, allium root tip squash.

Prepared slide, angiospermae - monocot roots, allium (onion) LS root tip.

Prepared slide, angiospermae - monocot roots, allium (onion) TS root tip.

Prepared slide, angiospermae - dicot roots, ranunculus (Buttercup) TS mature root.

Prepared slide, angiospermae - dicot roots, helianthus (Sunflower) TS young root.

Prepared slide, angiospermae - dicot roots, vicia root tip for mitosis.

Prepared slide, angiospermae - comparitive slide, monocot and dicot stem TS.

Prepared slide, angiospermae - dicot stems, helianthus (Sunflower) TS stem young.

Prepared slide, angiospermae - dicot stems, ranunculus (Buttercup) TS stem.

Prepared slide, angiospermae - dicot leaves, ligustrum (privet) TS leaf.

Prepared slide, angiospermae - dicot leaves, helianthus (Sunflower) TS leaf.

Prepared slide, angiospermae - dicot leaves, prunus lauro-cerasus TS leaf.

Prepared slide, angiospermae - monocot leaves, allium leaf epidermis 'E' with stomata.

Prepared slide, angiospermae - monocot leaves, zea mays (Maize) TS leaf.

Prepared slide, angiospermae - monocot leaves, ammophila TS xerophyte.

Prepared slide, angiospermae - anther and pollen development, lilium anthers TS mature pollen.

Prepared slide, coniferophyta (conifers) pinus 'E' stem showing xylem tubes.

These new atomic structure kits from Bright of Sweden are an award-winning, hands-on teaching aid for students. The unique models, based on Bohr's atomic model, allow students to make their own atoms, isotopes and ions and give them great hands-on experience of the structure of atoms. Each kit includes: Box with lid; electron shells on the lid and at the underside of the box; 30 protons; 30 neutrons; 30 electrons; smart storing of subatomic particles inside the box.

The complete package! This whole class set contains one Atomic structure Demonstration kit and eight Atomic Structure Student Kits, along with lesson plan/working sheet which has been developed together with science teachers; use it for studying activities, for tips and guidance or as tests for the students.

Student version spare particles, consisting of 30 protons, 30 electrons and 30 neutrons.

Economical clear acrylic burette, white graduations. TPX/Teflon stopcock.

Economical clear acrylic burette, white graduations. TPX/Teflon stopcock.

A clamp consisting of two plastic coated spring clips mounted 50 mm apart on stainless steel plate with rod. Dimensions 150 x 8 mm (L x Diameter).

Economical die cast metal burette holder with integral boss. Simple clamping action for use with one burette.

Economical die cast metal burette holder with integral boss. Simple clamping action for use with two burettes.

Strong burette holder with alloy cast jaws with plastic ends to clamp single burette. Suitable for burettes up to 100 mL.