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In this activity, learners investigate the properties of different types of balls.

In this hands-on engineering project, kids use two simple machines, levers and inclined planes, to construct their own pinball machines.

In this activity, learners explore sports engineering and advanced materials development.

In this sports-themed engineering activity, learners create super bouncy balls out of balloons. Learners brainstorm, test their designs, and share results.

In this activity, learners consider how a simple machine, a lever, turns a small push or pull (a small force) into a larger--or stronger--push or pull (a larger force).

In this engineering activity, learners explore simple machines and then build cardboard automata using cams.

In this engineering activity, challenge learners to design a car using only 3 straws, 4 Lifesavers™, 1 piece of paper, 2 paper clips, tape, and scissors.

In this activity, learners explore the design of rubber band powered cars. Learners work in teams of "engineers" to design and build their own rubber band cars out of everyday items.

In this activity, learners explore the history, design and motion of spinning tops. Learners work in teams of "engineers" to design and build their own tops out of everyday items.

In this activity, learners build their own rockets from paper, coffee stirrers, and tape. Learners discover that when anything flies, air pressure is always involved.

In this activity, learners use simple, everyday materials to experiment with balls and ramps.

Learners follow the template to build and fly a paper helicopter.

In this activity, learners will use a variety of household and/or natural objects to design a sculpture that balances from a single point.

In this engineering activity, learners design parachutes to give toy figures safe landings. This activity is great for practicing an important STEM skill--changing only one variable at a time.

In this activity, learners engineer a flying glider using paper hoops and a drinking straw.

In this activity, learners will build a stomp-powered launcher to blast off paper rockets they design. Materials can be found at a local hardware store or you may already have them at home.

In this engineering design challenge, learners animate a facial expression and make a machine (zoetrope) that plays the animation back.

Learners act as engineers and design mini submarines that move in the water like real submarines.

In this activity, learners build small animated toys that move.

In this project, students explore how levers work, by making a puppet with moving limbs.