Kids take their imaginations for a ride with these transporation-themed builders! The set includes 4 different vehicles made up of 3 durable plastic pieces with built-in magnets that lock together—for a frustration-free way to develop fine motor skills. Children match the 12 magnetic pieces to build a realistic car, plane, boat and train...or mix them up to invent their very own vehicles—there are more than 1,000 combinations! Largest vehicle measures 7" in length.