Mobilo Construction Set with large wheels offers new building as well as construction possibilities for kids allowing them to build a tractor, a tricycle, a fork-lift truck and lots more. It comes with 15 construction cards that include 5 each of red, yellow as well as blue and 424 pieces that includes 12 large wheels having 3" diameter. Pieces are made of strong and durable plastic pieces that are molded in bright primary colors and clip together firmly with minimum effort. Set for ages 3 to 8 yrs has non-toxic pieces and are washable. Mobilo is a construction system that includes of cube modules, turntables, wheels as well as axles to offer creative and exciting play with movable parts.