27710063
3 in 1 Hydraulic Robot Arm Toys
SELF-DIY STEAM TOYS: 220 ACCESSORIES
3-in -1 function can freely change the working head: gripper, grab, suction cup
No need for batteries and motors
Just water can drive the robot arm
hydraulic power
SELF-DIY STEAM TOYS: 220 ACCESSORIES
3-in -1 function can freely change the working head: gripper, grab, suction cup
No need for batteries and motors
Just water can drive the robot arm
hydraulic power
