TriBotz is three robots in one package. It uses sensors to avoid objects, follow a line and respond to sound. The TriBotz will react to sound impulses and objects in its way. It will reverse away from a sound or obstruction, then move forward. Make a path with a black felt tip marker or black tape and watch how infrared sensors allow the TriBotz to make corrections. No Soldering Required. Movement: Two (2) Wheels driven by two (2) DC Motors. Control: Sound sensor including condenser microphone, infrared light sources, and light detectors. Dimensions: 3 15/16” (H) x 5 7/8” (W) x 5 1/2”

* Requires (2)"AA" batteries