This little boredom buster is quick and easy to set up using just a flashlight from the dollar store! It's perfect for older kids who...

Do you think it’s impossible to touch the top of the Eiffel Tower? Or to eat whole building? Or to stand...

Challenge your friend to lift a ball off the table... without touching it!

This is a challenging project, but a great introduction to simple circuits. And how fun is it to make something that actually moves and lights...

Amaze your friends with water that flows uphill. Just make sure you have a cup ready to catch the flow - this siphon moves fast!

Make the faces on dollar bills smile and frown with just a few folds! 

The Soda Bottle Dripper is great for potted plants and container gardens. A few of these drippers can help keep your houseplants happy while you're...

This setup is a compound pulley, which combine both fixed and moveable pulleys to increase the mechanical advantage.In a pulley system, a wheel's job is...

Is your slime feeling mucky and dense? Could your slime use a little pep in its step? Try mixing...

As your family gears up for back-to-school season, use some of your newly bought goods to test...

Try the Milk Jug Dripper for easy watering of a backyard veggie garden - just place a dripper next to each plant. Burying the drippers helps...

Create your very own balloon powered rockets...

Just a slight flick of the wrist will send this flyer soaring--try holding it different ways to see what gives you the longest soar! ...

Bones that bend? Is that even possible? Yes it is! Vinegar is a mild acid, but it is strong enough to dissolve...

This cute little desktop flagpole is a single fixed pulley. A fixed pulley like this one doesn't win you any mechanical advantage, but it can...