These easy-to-use guides feature full-color photographs of living specimens as you would see them in their natural habitats, making identification of ...
A rheostat controls the light intensity coming from the incandescent lamps in the instrument heads, and the battery handle utilizes a bayonet for chan...
Soaring over mountains, winding down roads, and over the ocean, a tiny seed travels many dangerous paths before it can grow into a healthy plant in Er...
A dramatic visualization of air pressure. This 1000 ml bottle has a balloon attached to its neck and an additional hole in its base fitted with a rubb...
Demonstrate magnetic fields on your desk or overhead with this clear container of iron fillings. Using magnets, you can show students how the fillings...
This model acts similarly to the Rabinion planetary gear of a modern vehicle. The complex principles of a planetary gear are unlocked with the use of ...
This product is a model of a wankel engine. The transparent plastic housing enables the students to see the internal structure at all angles. The roto...
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