Black + Decker introduces hydraulic construction sets that will teach children basic physics and construction in a fun way. The collection’s sets are packed with educational features.

This hydraulic robot arm construction set is an innovative construction set that introduces children to mechanical engineering in an exciting, fun way. Through the assembly process, children will learn the principles of hydraulic power, and they will assemble without the need for batteries or motors.

The construction is based on the principle of fluid dynamics and is an eco-friendly, exciting way to get closer to science. Simply fill the excavator’s hydraulic system with water and its arm comes to life.