Take on any construction job with the Eitech Mega - Bulldozer/Digger! Build up to 2 different heavy-duty construction vehicles using over 1470 steel parts with full-color instructions. Features rubber tracks so your machine can cover all terrains and get the job done. Designed to promote and develop three dimensional thinking, creativity and learning while at the same time having fun! Step by step illustrated instructions are included for easy to follow directions. This educational building set is designed for kids to exercise their hands-on skills, imagination and cognitive performance by assembling this Eitech set. All pieces are made of high grade polished steel, and manufactured in Germany.