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

Numbered desktop skeletal model mounted on a base positions every bone in natural anatomical alignment

converting solar radiation to measurable thermal energy on an 18-inch-tall stand

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

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