Build a motorcylce race car truck train or airplane. The piece selection in this 130 piece set was specifically designed for making vehicles. It includes soft wheels that snap on and off any Playstix piece and can also be used as a steering wheel. This set includes an Idea Booklet that provides some great examples of vehicles you can make. Each Playstix piece has grooves that interlock when one playstix piece is placed across another. The different length Playstix pieces are color-coded so it s easy to see how each model is built. Think it! Build it!