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In this design challenge, learners design a storm drain cover that catches litter to protect waterways to learn about how local actions can have system-level effects.

In this activity, learners use simple tools to build a bookshelf with a built-in bookend.

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 design challenge activity, learners make a balloon hover at eye level for five seconds, and then make it move by creating air currents.