3 in 1 Hydraulic Robot Arm
Create your very own hydraulic robot arm with this 220-piece STEAM set, complete with detailed instructions. Experience the power and versatility of a 3-function mechanical arm.
You don't need a battery, you don't need a motor, just water can drive your mechanical arm. The pressure of water is converted into power, so that the operating lever can easily control various joint activities of the mechanical arm.
- Improve logical thinking skills
- Explore scientific principles
- No motor or battery required
- 3-in-1 multi function
- 4 jaw grab bucket
- suction cup
- tongs grab
- 220 pieces