2 in 1 DIY Battery-Powered Fighter Truck & Race Car with Remote & USB

2 in 1 DIY Battery-Powered Fighter Truck & Race Car with Remote & USB Rechargeable Battery, 408 Pieces STEM Learning Kit, Educational Construction Robot RC Building Block Set 8009 COMBINATION OF BUILDING BLOCKS & RC CAR - Build 2-in-1 Building Truck/Jeep Set by following the step-by-step instructions with the 408 provided pieces, or design & build your own bob cat, sand digger, concrete truck, space rover robot, etc, then test it with the included electric-powered motor & remote control EDUCATIONAL & FUN - Develop young engineer's fine motor and teamwork skills, creativity & imagination, cognitive, spatial, logic thinking, and intelligence. Building is an awesome activity together with family or friends. Our building blocks set encourages children to work together as a team. CHILD SAFE & SUPERIOR QUALITY- All parts made with flexible materials, no sharp objects; All pieces are made of premium quality harmless and safe ABS plastic for children, which a