The Black and Decker 3-in-1 Hydraulic Robotic Arm is a revolutionary STEM toy that combines innovative engineering with endless educational possibilities. With an impressive 220 pieces, this kit offers hands-on experience in the principles of fluid power, without the need for motors or batteries. This hydraulic robotic arm works on the principle of fluid dynamics, providing an engaging and environmentally friendly way to approach mechanical engineering. Simply fill the hydraulic system with water and the arm comes to life.

• Recommended for ages 8 years+.