High Quality STEM Kids Educational Toys Robot Arm Hydraulic Robotic Mechanical Arm Set

This children's STEM hydraulic robotic arm toy is comprised of 220 pieces that must be manually assembled. Upon completion, the robotic arm measures 46 x 26 x 30CM. The toy comes with three different functional and interchangeable end effectors: a 4-jaw grab bucket, suction cup, and tongs grab. What makes this robotic arm toy unique is that it doesn't require batteries or motors to operate. Instead, it uses hydraulic principles, which means it only needs water to drive the machine. This feature makes it environmentally friendly and cost-effective, as parents don't have to constantly replace batteries or pay for electricity. The hydraulic system is easy to operate. This simple system helps to teach kids about hydraulic principles, while also providing them with a fun and educational toy. The toy is designed to meet various safety standards, including EN71, CD, 14P, ROHS, ASTM, HR4040, and CPC. Parents can feel confident in letting their children play with this toy, knowing that it has undergone rigorous testing to ensure its safety.