Fluids crystallize in the cavities of the rounded rock (nodule) creating the exciting surprise inside. Geodes are found all over the world, thes...View full details
Set of 3 Geodes. Fluids crystallize in the cavities of the rounded rock (nodule) creating the exciting surprise inside. Geodes are found all ov...View full details
Kit contains owl pellets, plastic forceps, hand magnifier and bone sorting chart. A great item for introducing the basic concepts of archeology, co...View full details
The world’s finest tangle-free toy parachute. It has no strings to tangle, no batteries to replace, and no assembly required. Simply toss it high ...View full details
A simple form gyroscope for demonstrating the principles of rotation, attraction and equilibrium of bodies in motion. Consists of a metal gyroscop...View full details
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