Tamiya RC Grand Hauler Toy Take control of your very own big rig - this R/C model assembly kit recreates a massive boxy, customized truck like those seen in North America The model's ladder frame chassis features aluminum side channels with resin cross members and is equipped with a highly realistic suspension utilizing metal leaf springs and friction dampers. A front-mounted motor and 3-speed transmission power the two rear wheel axles, which are fitted with built-in differentials to enable smooth cornering. A 4-channel R/C system and multi-function unit allow you to drive the vehicle and experience realistic lights, sounds and vibrations Realistic Lights, Sounds, and Vibration with the separately sold MFC Unit: The separately sold Multi-Function Control Unit (MFC) offers light, sound, and vibration operation to accompany your R/C truck experience