Relive the 5th mass extinction event on Earth (The Cretaceous-Paleogene extinction event, to be precise) with this temperature-sensitive coffee mug. Watch as the dinosaurs in the image change from living to extinct, leaving only their bones behind, when hot liquid is poured into the mug. Slowly, the image will revert back to the living dinosaurs as the hot liquid inside cools or is removed. A fun paleontological conversation starter for the home or the office.
This is a classic demonstration toy of the powers of magnetic fields!
This quality Dobsonian style telescope features a 76 mm aperture reflector optical tube.
Experience this sphere powered by the sun!
Build your own windmill generator kit by recycling a plastic bottle!
Shake the Pet Tornado clockwise and watch the mini tornado funnel form before your eyes!
Illuminate both your room and your mind with this ingenious Periodic Table Lamp.
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