Enjoy hours of fun with this handy 4M Wind Up Robots Kit‎.‎ Craft wind‎-up robots to play with using this kit‎.‎ Wind up and race 4 different cardboard robots with friends and family‎.‎ Included with the set are cardboard stock for 4 vibrantly colored robots and the wind‎-up mechanisms to make them go‎.‎ All of the parts are made of safe‎,‎ high quality materials‎.‎ This set is recommended for ages 5 years and up‎.‎