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1982 (year approximate) Christopher G. Atkeson Collection A hydraulic cylinder from an upper leg of the Trojan Cockroach walking robot. Partnered with another cylinder of similar size, the two would help the leg move back and forth or side to side. The Trojan Cockroach was broken down for parts, making this one of the last remaining pieces of the robot.

Christopher G. Atkeson Collection A wooden toy that "walks" down an incline of its own volition. The toy has a chicken illustration on both sides of it. Roboticists often use toys like this to demonstrate different movements that they can then replicate in their robotics projects.

1982 Christopher G. Atkeson Collection First developed at CMU by Takeo Kanade and Haruhiko Asada, this is the first model of a Direct Drive Arm. By attaching the motors to the joints of the arm itself, Kanade and Asade successfully cut down on friction and increased reliability of robotic arms. This was the first direct-drive arm created, and served as a prototype for future arms.

1981 to 1993 Christopher G. Atkeson Collection A juggling robot made by Christopher G. Atkeson during his time at Massachusetts Institute of Technology. The juggler is modeled after one created by Claude Shannon and is capable of juggling up to five balls at a time. The robot operates on the principle of mechanical intelligence, meaning the machine is built to be capable of executing tasks without a need for a computer brain.