• Avogadro's Air Rockets
    Make a paper rocket and propel it with a burst of air.
  • Cartesian Diver
    Make a toy that goes down when you squeeze a bottle and up when you let go.
  • Magic Sand
    Discover the surprising qualities of magic sand.
  • Plane Smarts
    Make airplanes from five different materials to see which one flies the best.
  • Zippy Zappy Boats
    Add a little detergent to the back of a boat and watch it go.
  • Pop Rockets
    Learn how to launch your own rocket with this fun experiment.