This excavator with hydraulically controlled arm is assembled from 130 parts. Day by day, a small assembly group is created by simply plugging them together. Finally, fill the hoses with water - and the hydraulic excavator can begin its work: the excavator arm and bucket can be moved in three different directions. With mechanical chain drive and swivelling excavator body.

With the hydraulic excavator from Revell Engineers, children aged 8 to 12 can discover how the power of liquids can be used to carry out mechanical work. With the step-by-step instructions, boys and girls are guided to a functioning model. The necessary tools are also included. Bringing technology to life!

This product promotes cognitive and motor skills:

- Fine motor skills and the use of tools
- Concentration, patience and precise work
- Spatial thinking (reading and understanding building instructions)