A complete Hermit Habitat with lots of room and a climbing grid for exercise, a sponge for playtime, natural branch, and a full color background to ma...
Brilliantly bring nature to life with the vivid images and simple text of these award-winning early science Big Books. Each oversized book measures 14...
Allows the Dual-Range Force Sensor to be mounted on the end of an air track for collision studies. Compatible with most air tracks distributed or made...
We all wish we had our own hybrid automobile to take apart, re-purpose, and use to show others exactly how this fascinating piece of technology works....
Students discover how fossils are formed, learn why they are important to us and what they can tell us about the Earth's past by casting and painting ...
Features a pull back motor and die cast body. Scale: 1:64. Measures 5" long. Ages 3 & up. WARNING: CHOKING HAZARD Small parts. Not for children under ...
Set of 5 metal cubes of equal (20 g) mass. Cubes are copper, aluminum, zinc, iron and brass. Demonstrate inverse relationship between density and volu...
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...
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