Readily available low-cost wireless microcolor cam systems are now small enough to mount in or on small toys and they are durable enough to withstand typical radio-controlled airplane crashes. These cams are an invaluable tool for the physics classroom in that they allow students to visually place themselves in the “shoes” of the bodies physics teachers describe and use everyday in the physics classroom.

1.
SJT Enterprises, Barton, PA: http://www.WirelessMicroColorCam.com/. Similar systems are available at RadioShack.
2.
Radio-controlled submarines are available at RadioShack and Wal-Mart for under $3.00.
3.
Information on building a drop tower can be found at http://www.rpi.edu/locker/56/000756/DropTowr.html.
4.
Turntables can still be found at garage and yard sales for under $10.
5.
See Halliday, Resnick, and Walker, Fundamentals of Physics, 6th ed. (Wiley, New York, 2001), pp. 246–250.
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