Have your child build his own mini waterfall, and help him develop his planning, problem solving, and architectural skills.

Design a livable building that functions without electricity. Consider necessities, comforts and entertainment. Build a scale model of your design.

Science fair project that determines whether mass and weight are the same or different.

In this design challenge, your child will use building bricks to create a funny face. The activity instructions include question prompts thta can help guide your child through the creative process, and promote their problem-solving skills.

Is the birthday paradox really a paradox, or just an intriguing problem that defies intuition? Find out with this birthday paradox science fair project.

In this cool physics experiment, use double plane mirrors at various angles to learn about light reflection. Then, see if you can solve a puzzling problem!

Put your young paleontologist's puzzle-solving skills to the test by having her hunt for dinosaur bones and then assemble them to create dinosaur skeletons.

Administer IQ tests to volunteers. have one group practice typical IQ test problems. Then compare results of the two groups.