See how reflections flip images, and build a pair of mirror goggles to solve your own puzzle creation.

Ditch the gingerbread crumbs, and make a show-stopping snowy scene to kick off the holiday season. Decorate a beautiful winter home, complete with tree and gingerbread kids!

Build a periscope to see around things. Use secret agent tools such as spy glasses, a UV pen, and a briefcase for secret messages.

Learn all about the science of string tension, and put it to work engineering wiggly, wobbly push puppets. Then craft a turtle toy you can race using a pull string.

Engineer your very own printing press, complete with stamping plate and handy lever. Use your press to quickly whip up a series of picture-perfect print. Then design your own reusable and recustomizable stamps.

Engineer a gravity-powered car, then explore the effects of gravitational energy while experimenting with different weights and wheel sizes to get your car movin' and groovin'. Finish off by creating colorful drip paintings.

Create flowers to learn about capillary action and build a tree balancing game!

Build a soccer player with a leg that mimics muscular movement. Then craft your very own bow and arrow set to learn how your arm muscles work.

Build a miniature golf course with an elastic-powered putter. Harness the power of physics, energy transfer, and chain reactions to score a hole in one! Then up the ante by designing four different golf course obstacles — a chomper, a flag raiser, a windmill, and a set of clay bowls.

Get creative by arranging shapes into patterns and making crayon rubbings to reveal unique puzzle pictures. Explore the ins-and-outs of the human brain, then put your mind to the test with brain teasers, tangrams, and jigsaw puzzles you make yourself!