This 7.25 x 10.25 inches magnifying plastic sheet is great for optics / science projects, for reading or just fun. A French physicist named Augustin Fresnel invented this lens in 1822 to be used in lighthouses. The construction of Fresnel lens is quite interesting as it allows magnification just like regular glass lenses do but it can be as thin as paper!
Discover how solar cells make electricity with this awesome kit!
Defy gravity with this cool balancing eagle!
This 10 inch realistic model has removable organs that can be studied and set back into the correct position!
This classic desk toy will keep you amused! Large, 7 inch tall version.
Great microscope for viewing both slides and 3D objects such as flowers, bugs, rocks and more. Includes all accessories!
Make the coolest 3D pin art on your desk with this amazing desk toy.