Crystal Model Set Diamond-Economy Lab Equipment and Supplies Polished hardwood test tube rack

Polished hardwood test tube rack holding 12 tubes up to 25 mm across twelve draining pins

a denser alternative to brass or aluminum for pendulum-period and simple-harmonic-motion work

University-level dissection kit pairs 20 stainless steel instruments in a leather storage case for advanced specimen work and upper-division biology coursework

the curved-face geometry letting beams enter along any radius for clean Snell's law angle work in ray-box and refraction setups

Larger brass conductor cone on an insulated rod and base

Crystal Model Set Diamond-Economy Lab Equipment and Supplies Polished hardwood test tube rackModel kits for assembling various crystals lattices, which are in skeletal form. The lattices represent certain classic structures and have been built to a large enough size so that their different faces can be seen. Complete with assembly instruction This set consists of 84 connectors and 57 jacks in a plastic box, with instruction manual for construction. Note: This product does not have an image. If you require one before making a purchase