DIY Assembled Science Experiment Engineering Educational Toys(101 Blue)

1. The 3-in-1 function can freely change the working head: grasping forceps, grabbing bucket, suction cup2. No need for batteries and motors, as long as water can drive the robotic arm, the principle of hydraulic power3. Self-assembly, cultivate children's hands-on ability4. Material: plastic5. Applicable age: children over 8 years old6. Weight: about 1250 grams7. Size: about 28x26x18cm