Egg Packaging Design a package for an egg so that it will survive a fall from a window. Jet Car Children learn about propulsion when they construct and play with this balloon-powered car. Jet Car Challenge Make a balloon-powered spaceship to fly and race. This game for two tests science knowledge. Sorting Machine Construct a device for separating materials by size.
Spring Scale Create a scale to compare the weights of different objects.
A home made kaleidoscope can help children sharpen their observation skills. Light Reflectors Create light patterns on a wall with these cards. Your kids can experience the magic of optical illusions when they build their own thaumatrope. Paper Cup Projector Kids will be amazed at the filmstrip stories they can create with this unusual invention. Star Gazer Bring the constellations indoors.