Simple construction using magnetic pieces. Able to build multiple versions from one set. Creative and imaginative play vehicles. These color themed sets are sure to appeal to those who have longed for Mix or Match Vehicles in more realistic colors. You still get that same sense of pride and accomplishment after you've assembled a one-of-a-kind vehicle of your own design, but now your finished models will look like real construction, fire and rescue, and police vehicles. All sets are fully compatible with our original Details: Yellow & black Includes 3 themed, 3-piece construction vehicles that allow for over 50 configurationsSimple construction using magnetic piecesAble to build multiple versions from one setCreative and imaginative play vehicles Recommended for ages 3 and up