"WardsSci000474"

Good way to introduce them to the different layers of Earth in a concrete manner.

One edge is graduated 0 to 30 cm with mm divisions.

This set of blocks, developed by Jodye Selco, is an excellent complementary set to Density Blocks I.

Hang the Whole Solar System From Your Ceiling

Introduce the concept of a simple electric circuit and show that a wire can carry electricity and how a switch can start and stop the current flow.

One Giant Stomp For Mankind

Flexible mirrors for optical experiments.

Shelf Life (months): Indefinite
Storage: Green

Clear polyethylene storage bags lock shut when edges are sealed together.

Excellent stainless steel scoops with wooden handle.