DIY RACE CAR ASSEMBLED TRACKS UNLEASH YOUR CHILD's IMAGINATION ANYTIME, ANYWHERE. Connect Easily The Race Track Car Set Toys includes four colors of red, orange, yellow, and blue track pieces, a total of 200PCS. You can combine any track pieces of different colors, form an angle of about 30 degrees between the two track pieces, and you can easily stick and not fall off. Gravity Free Rail Car The bottom of the race track car can be closely fitted with the gears on the track piece, and the track car can be put into the track before use, and it can perform various 360-degree rotations without falling. Can Be Folded at Will The race car set has undergone many safety tests and has certification reports such as ASTM,F963,CPSIA. The track piece is made of pp material, the main component is polypropylene, non-toxic, tasteless, no sharp edges, and can be folded at will. Read more Jointly Create Variety of DIY Track A total of 28 screws are provided for building the base. The cooperation and interaction between parents and children can enhance feelings and jointly create a stable and imaginative track! With Flashing LED Lights Lightly press the button at the rear of the magic racing car to achieve one-key switch, accompanied by red and blue flashing LED lights. Easy to Assemble Use a small screwdriver to install the race track car battery. Because the base will subjected to the huge power generated by the movement of the track and the trolley, please make sure to use it after tightening. We recommend using a large screwdriver (not included) or an electric screwdriver for this. Read more Note: The race track car require more power to drive, so the batteries are easily depleted. It is recommended to use rechargeable batteries or use high-efficiency batteries. When playing near the car, please pay attention to tie up the child's long hair to avoid unnecessary danger!