Tap tap! Introduce your little builder to the world of cars and trucks with this nifty set. Have your little one follow the design cards or create their unique vehicles and tack them in place. Use them over and over for hours of linear thinking, motor building, and imaginative fun! Each set includes 24 vehicle component pieces, ten design cards, one hammer, one corkboard and 40 tacks. Pick out your design, grab the pins and wooden hammer, and start building.