Equilateral Prism, Material: acrylic, Refractive index close to optical glass, can produce a rainbow from a non-monochromatic light source such as sun light, Perfect for student use, which will not break or chip like glass, is a softer material, Size: 25mm length, 25mm face size
Equilateral Prisms 3pc set, 1in, 2in, and 4in lengths, Material: Acrylic, Each prism is individually wrapped to protect it Will create a rainbow with any standard light source (phone will work) -- use a dark piece of paper with a 1-2mm slit, Size: 25mm face size
Stirling Generator, Fully-assembled. Dimensions: 7L x 3.5W x 3.5H inch. Includes spare cylinders (1 each), crankshaft pin, cylinder o-ring, and allen wrenches for removing damaged cylinders. Alcohol not included. Features a secured fuel source in a recessed well on wooden base.
Test Vessel, Testing Volume: Approx. 1 Litre, Laser Fixture: 18 mm Dia, Lens: Plano-Convex, F=100 mm, 16 mm Dia, Made Of Transparent Acrylic, With A Lid And A Transducer Mounting For Conducting The Projecting ultrasonic Waves With Divergent Light.
Starter Kit, Touch Board, Includes: Touch Board, 10ml tube of Electric Paint, 50ml jar of Electric Paint, MicroSD Card, Card Reader, Micro USB Cable, Mini Speaker, House Stencil, 12 Alligator Clips, 12 Sticky Tabs, Stencil Brush, 2 Paper Cutouts, 3 Velcro Stickers
Kit, Stem Investigations: Make Your Own Liquid Crystal Thermometer, Includes: 5 g Cholesteryl Oleyl Carbonate, 5 g Cholesteryl Pelargonate, 5 g Cholesteryl Benzoate, 8 Dram Vials with Caps, 90 Clear Labels, 8 Plastic Forceps, 16Black Index Card, 4inx 6in, for 8 groups, Teacher's Manual included
Bimetallic Strip Commercial, Pack Of Bi-Metal Strips For Practicals And Project Work. There Are 10 Strips Each Measuring 100 X 8 X 0.5 mm Securely Attached To Wooden Supports, Students Can Use Them To Investigate Bending Action As They Are Heated Or Build Them