Preorden Revell Engineers Advent Calendar Hydraulic excavator model kit

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)