This 15 piece set includes colorful, durable, realistic looking tools that are made from 100% recycled plastic. The tool box features four holes on each side, sized to work with the included 2-hole connectors and fit the bolts and nails. Whether using the hammer to pound in the nails, or the Phillips and flathead screwdrivers to tighten the bolts, kids love all the Do-it-Yourself projects that are possible with this set. Even the pliers open and close! and best of all, the pieces fit conveniently into the tool box for easy storage.