Collect & Build Robo-Sting in the Robo-Creatures Series - motorized for exciting mechanical movement! Includes 157 K'NEX parts, primarily rods & connectors. The motor allows for unique and exciting mechanical movement. Robo-Sting's wings flap just like a hornet! And that's not all - combine all three sets in the Robo-Creatures series to create the ultimate creature! Each set sold separately. Recommended for builders ages 7+. All sets require 2 "AA" batteries, not included.
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