Build 10 motorised vehicles each combining 182 versatile plastic pieces to make cars a crane bulldozer and robotic arm with 6shybutton infrared remote controls 3 different motors simultaneously moving each of them forward or in reverse with easyshytoshyactivate touch sensors combine to make complex vehicles and machines in numerous configurations detailed 48shypage instruction booklet with stepshybyshystep guidanceplasticfrom 4 to 18 tall14 x 11 x 3 boxedrequires 3 x