top race 2.4g remote control rc robot catapult | diy 100 pcs electronic rc toys educational | alloy metal mechanical robotic catapult building kit | take apart stem hobby gift toy for kids 8+ & adults top race top race remote control rc robotic arm catapult sling shot, full metal robot catapult building kit engineering kit, diy take apart stem hobby toy, the top race tr-r2 robot arm catapult machine is made out of heavy steel and heavy plastic gears and rubber tires, this isn't just a toy but rather a hobby grade mechanical engineering machine great for older children and adults, the set contains 100 parts to put this robot catapult together, once the robot is assembled you can do numerous things and challenges with its remote control, throw the included 3 inch balls and try to hit your targets or opponent than try to grab the balls again with the catapult forks that is controlled by the remote, this top race robot kit is a full set everything included ready to use , the only thing you will need are 2 x aaa batteries for the remote, the robot includes a large 1300mah lipo rechargeable battery, usb charger, 2 balls to play with and a very clear step by step instructions booklet, charging time: about 90min, control distance: about 70 feet. enjoy the science of robots! this is the perfect christmas gifts for kids christmas gifts boys christmas gifts for 2 yr old boy christmas toys toddler christmas toys 2021 christmas presents christmas gifts for boys hot toys for christmas 2021 toys for 3 year old boys toys for 5+ year old boys construction toys stem toys remote control car for boys 4-7 christmas gifts for 3 year old boy .