Hydraulic Power: No need batteries and motors, water can drive the mechanical arm, the principle of hydraulic power, use operating lever to control various joint activities of mechanical arm.

Reasonable Structure And Design: The arm can be rotated 270 degrees from the base. Kids can easily switch between grab or suction cups depending on what they are moving.

3 In 1 Hydraulic Robot Arm: Clamp, suction cup and hydraulic grab, give full play to your imagination, feel the fun brought by the hydraulic mechanical arm.