Block, Glass, Rectangular, 114x62x18mm (Each) Furniture/Mats-and-Carpets/Mats-and-Carpets Requires some knowledge of wall

Requires some knowledge of wall fixings

Highly versatile

With 128 (64x64) channels of recording over USB

Beautifully illustrated with zoo and marine animals for an eye catching classroom display

Block, Glass, Rectangular, 114x62x18mm (Each) Furniture/Mats-and-Carpets/Mats-and-Carpets Requires some knowledge of wallProduct is for studying refraction and geometrical optics in physics and physical science classes Optical glass polished and worked on all surfaces Glass is free from bubbles and imperfections All edges have slight bevel Perfect for teaching physics students the principles of refraction Optical Glass Rectangle: 3. 9" (115mm) X 2. 6" (65mm) X 0. 7"(18mm), made of high quality optical glass