Scarab is a robot that uses 2 touch sensors to detect obstacles. 
When its antennas (touch sensor) detect an obstacle, Scarab will first step back and then
automatically execute a two-step manoeuvre to avoid the obstacle. 
The manoeuvre is a combination of "left turn", "right turn", "reverse" or "stop". 
The Scarab Robot can be configured with different sets of movements. 
The Kit comes complete with 2 sets of differently designed legs, which move in their own distinct way. 
Let the fun begin! 

 Specifications 

dimensions: 175 x 145 x 85mm
power supply: 4 x 1.5V AAA batteries (not incl.)
tools required: soldering iron, solder, 4 x AAA batteries, long nose pliers, diagonal cutter, screwdriver