Make an optical toy that will fool your eyes and boggle your mind! When you spin a thaumatrope, the pictures on either side seem to...

When you twist up this timer and let it go, the rubber band starts to unwind and swing a...

Mesmerize yourself and others with this amazing illusion. As the slinky twists and spins, it looks like the sphere...

Have you ever seen the magic trick where someone yanks the tablecloth off a table, and all the dishes...

A pendulum is a hanging weight that swings back and forth, like the swinging arm on a grandfather clock...

Want to create some art that will surprise you? Create unique pieces of artwork by pulling strings across a...

For a long, long time, people thought that the Sun and all of the other planets revolved around the...

A pendulum is a hanging weight that swings back and forth, like the swinging arm on a grandfather clock...

Are slinkies magical floating toys or do they somehow follow the laws of physics? Grab your favorite timeless fidget...

Chain reactions are amazing displays of energy. When everything is set up right, one little tap can cause a...

They say seeing is believing, but sometimes your eyes can trick you! Download this printable puzzle here and...

Download the printable here to take a bicyclist on a never-ending journey across a möbius loop! A möbius...

Is it possible to eat a piece of chocolate from a chocolate bar and still have the same amount...

Watch a marshmallow grow to three times its original size with a quick and easy experiment using everyone’s favorite...

We’re surrounded by waves! Sound and light travel as waves to our ears and eyes. Ocean waves crash onto...