STEM Building Hydraulic Construction Vehicles Toys

Learn by playing

This STEM building hydraulic excavator toy uses 3 hydraulic systems to drive the model and realize the corresponding actions. It introduces children to the application of Pascal's principle and the law of conservation of energy, and nurtures children's practical ability and curious minds, and develops children's logical thinking and problem-solving skills.

Hydraulic drive

The toy car does not need batteries and motors, the water pressure of the joystick is converted into kinetic energy, can easily control the mechanical arm for digging, lifting and other functions.

What's Included

The water construction toy car consists of 168 parts, with a very detailed manual, including a car body and a main operating room, and three kinds of mechanical arms, namely bulldozer, grabber and fire truck. You can scan the QR code on the box to watch the installation video and electronic instructions.

Precautions for installation

Do not lose the oil pack, some parts need to be coated with lubricating oil; do not remove all the parts at once. It will be much smoother to assemble in the order indicated in the instructions; use the cutting tool to remove the plastic parts of the pouring port to make sure there are no sharp or jagged edges; when injecting water into the hydraulic line, be sure to remove all air bubbles.

Preferred toy gift

It is a very challenging STEM Building Hydraulic Construction Vehicles toy, Science Experiment Kit for 8,9,10,11,12 years old kids, very suitable toy gift for birthday, Christmas, Easter and other festivals.