Meccano 2 in 1 model set excavator and bulldozer challenge the boundaries of your imagination and have fun discovering the world of real engineering with the meccano excavator 2 in 1 model set your first mission is to construct a model excavator with its custom treads working boom with bucket and cab that rotates 360 this excavator is equipped to handle the most challenging construction sites once youre done you can play with your finished excavator or take it apart and rebuild as a bu