From the Tamiya website:
The Hurricane Sonic is a Premium release Mini 4WD kit mounted on the AR Chassis. This machine was driven by Retsu Seiba, one of the main characters in the Mini 4WD cartoon "Let's & Go!" The AR Chassis places great emphasis upon aerodynamics, also offering users a blend of durability, customization and ease of maintenance.
Features:
- High-performance AR chassis (metallic gray/red)
- ABS resin body (white)
- 26mm low-profile tires
- Low-profile 5-spoke wheels (yellow)
- Super-speed gear (3.5:1), Type 130 motor included
- Snap together assembly. No glue required.
- Requires two AA batteries (not included)