Jouets éducatifs d'ingénierie d'expérimentation scientifique assemblés à faire soi-même (102 jaunes)

1. The 3-in-1 function can freely change the working head: grasping forceps, grabbing bucket, suction cup
2. No need for batteries and motors, as long as water can drive the robotic arm, the principle of hydraulic power
3. Self-assembly, cultivate childrens hands-on ability
4. Material: plastic
5. Applicable age: children over 8 years old
6. Weight: about 1250 grams
7. Size: about 28x26x18cm