DIY Hydraulic Excavator Children Science Education Toy - Multi - 4O87002412

Description:
Excavators, also known as excavators, are earth-moving machines that excavate materials above or below the bearing surface with a bucket and load them into a transport vehicle or unload them to a dump yard.Excavators excavate mainly soil, coal, silt and soil and rock after pre-loosening.From the perspective of the development of construction machinery in recent years, the development of excavators is relatively fast, and excavators have become one of the most important construction machinery in engineering construction.
As long as the excavator USES the hydraulic system to control the swing arm to complete the excavation work, now we understand the transmission principle of the hydraulic system through experiments.
Features:
Cultivating children's interest in learning and desire for knowledge can help improve their academic performance.
Scientific knowledge in small production can lay a foundation for future inventions, mathematical and physical learning.
Improve children's sense of innovation and ability, let children win in the starting line, on the social more competitive.
Nowadays, children generally lack practical ability and strengthen the cultivation of practical ability, so that knowledge is no longer an issue.
Material:
High quality plastic parts, specially designed for scientific experiments, multi-functional, expandable, material safety and environmental protection odor-free.
High quality natural wood is used as the main structural material of the model.Environmental protection, close to nature, safe and non-toxic, children can freely paint color creation.
Using quality electronic components and accessories, stable performance, safety and reliability.
Note:
Liquid in the syringe is not included and needs to be filled by itself