Terrainiac Radio Control Vehicle - 49 MHz (Blue) With its rear-sphere Mega tire, Hydro hulls and gyro pivoting motion Terrainiac tears up the turf in completely unexpected ways! On asphalt, dirt, grass, gravel, sand, and even water the Terrainiac&#8482; is a multi terrain titan! Requires 1 Tyco 9.6 V battery and charger plus 2 AA for the transmitter Perfect for your R/C collection!