Discover and apply hydraulic power with this multi-axis robotic arm. Water is all that's needed to make it move. 8yrs and up
4M Kidz Labs Mega Hydraulic Arm - STEM Educational Toy for Kids Ages 8+, Build Your Own Robotic Arm with Hydraulic Power - Perfect for Science Experiments, Engineering Projects & Hands-On Learning
$13.74 $24.99
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