Sundial Challenge

Make a sundial to observe the movement of light throughout the day.

Really Long Straw Challenge

Make a really long working straw.

Straw Maze Challenge

Create a marble maze with straws.

Musical Vibration Challenge

Use vibrations to make music.

Animal Survival Challenge

Develop understanding of how animals survive, grow, and meet their needs in their environment.

UV Sunglasses Challenge

Create a pair of sunglasses to protect your eyes from the sun.

Shining Light Challenge

Putting a box on your head can actually help you see.

Moon Phase Viewer Challenge

Make it easy to view the phases of the moon in your house.

Telephone Challenge

Communicate with a friend using sound waves.

Light Signal Challenge

Talk to your friends with a flashlight.