DIY hydraulic truck toy STEM Educational Physical Science Kits

Physical Science Kits Specifications:
Material: Wood, Plastic
Overall height: about 120mm
Overall length: about 230mm

Overall Width: about 85mm

Weight: about 188g

Suitable age: 3 years old+
Ability development: physical and mental exercising, interest training, intellectual development, emotion, parent-child communication, interactive toys

A dump truck is one of a vehicle  Physical Science Kits that unloads cargo by hydraulic or mechanical lifting.
The car of the dump truck is tilted backwards, and the car is controlled by the hydraulic control device. The rearward tilting is more common, and the water injector is pushed to tilt the car backwards.