Introduce STEM learning to children using our take-apart Design & Drill Activity Center. Children can drill and play to create their very own designs or follow the included patterns to make specific pictures. Kids just snap any one of the drill bits into the power toy drill or toy screwdriver, grab a handful of big bolts and turn on the fun. Helps develop fine motor skills.Details:146 total piecesFor solo playRequires 3 "AA" batteries (not included)For ages 3 and upContents:Power drillWrenchScrewdriver120 bolts (in 5 colors)3 bits (Phillips, socket, flathead)20 colorful pattern cards