4M Toys Hydraulic Robotic Arm by KidzLabs Science Toys. Explore simple hydraulic principles and build a working mechanical arm that can move and grab. The realistic gripper can lift, move and grab a wide range of objects, all without electricity.
Includes robot arm parts and instructions. Arm is 19.75 inches long. For ages 8 .
WARNING: CHOKING HAZARD - Small parts. Not for children under 3 years.
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