EDU-4002 "Treasure Finder Robot" Kit. Find hidden riches with this treasure finder robot! This robot uses a metal detector to discover metallic objects. The kit also includes parts for inventing your own robot arm. EDU 4002 Tree of Knowledge educational, science, electronic,technology kits. No soldering required.
Requires two (2) "AA" batteries. model BT 9015 28 cents each ...see battery category
Ages 8 & up