Mechanical master R/C block car 509 pieces 2 in 1.This DIY R/C car features elements to encourage the development of building skills through tactile learning! each kit offers a 2-in-1 design giving you two cool designs to choose from. All kits include: remote control, car base and blocks to complete 2-in-1 design, detailed colored manual, charger, and battery. Easy to operate.; approximate size: 10.5”L x 5.5”W x 6”