Search Results

Have you noticed the plastic rings that are used to hold six-packs of soda? Those rings are great for carrying cans, but they're real trouble when they become trash that animals can get tangled in.

In this design challenge activity, learners add headphones to a previously built instrument (see "Build a Band" activity) to make it easier to hear.

In this activity, learners design a device to solve a problem: how to get a ball out of a drain pipe.

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.