K'NEX Robo Strike Building Set
Collect and Build Robo-Strike in the Robo-Creatures Series - motorized for exciting mechanical movement. Includes 163 K'NEX parts, primarily rods and connectors. The motor allows for unique and exciting mechanical movement. Robo-Strike stings and walks just like a scorpion. And that's not all - combine all three sets in the Robo-Creatures series to create the ultimate creature. Recommended for builders ages 7+. All sets require 2 "AA" batteries, not included.