Retsu Seiba's Switch Hitter! This plastic Mini 4WD model assembly kit creates the Great BlastSonic, the machine driven by hero Retsu Seiba in the popular Mini 4WD comic series "Let's & Go!! Return Racers!!" The series of Sonic models has a proud history, and this exciting model continues the traditional marking and body styles, with a sharp modern twist! What's more, by simply modifying the nose and rear wing parts with a modeling knife, Mini 4WD fans have the choice of two different yet equally fascinating body styles! AR Chassis The AR chassis is designed to offer its driver durability, customizability and ease of maintenance, all of which are vital ingredients for a successful Mini 4WD racer. Its aerodynamic form smoothly allows air to pass through the chassis interior as the machine runs, performing the vital function of cooling the batteries and motor and extending their effectiveness. The air intakes on the chassis and body are integrated for optimal performance. This high-speed racing chassis also features low-friction plastic bearings to ensure that any loss of power from the engine to the wheels is minimal in nature. The underpanel and diffuser can be removed from the model without taking off the body, while a low-friction rear skid bar is fitted to slash time loss experienced on tricky slope sections, and keep the racer on the track where it belongs. Features yellow 5-spoke wheels, low-profile tires and a 3.5:1 gear ratio. Simple and Easy Optional Modification Simply follow the instructions and modify the nose (D3) and rear wing parts to end up with a body like that pictured in the cartoon! Specifications ★Length: 155mm ★Width: 97mm ★Height: 44mm ★Includes motor ★Snap-together easy assembly Separately Required Items ★R6/AA/UM3 batteries (x2)