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Find out what it would be like to have ears shaped differently from your own! Design and make different animal ears then try them out.

In this invention challenge activity, learners create an indoor game for one or two people that gets you moving.

In this invention challenge activity, learners see how many objects they can grab with a homemade "bionic" arm.

Using simple materials from around the house and recycled materials, learners will engineer a grabber device to pick up and put down objects that are at least 12 inches away.

In this lab (Activity #1 on page), learners explore how we see color.

Learners design different shaped bandages for different purposes. First, they draw their designs on paper.

In this activity, learners explore surgical instrument design. Teams of learners construct surgical instruments from everyday materials.