Factory-assembled Readyset only requires 4 x AA size batteries for the transmitter

on-road vehicles and 1:10 scale monster trucks up to 15lbs

As a result of the specially designed window arrangement

The Estes B4-4 is single stage engine designed for model rocket flight

FH-5 RF MODE (SUR response mode compatible)

BlackZon - Spryte ST Turbo 1/20 4WD Electric Monster Truck - Blue COR00172 Factory-assembled Readyset only requires 4Includes: Brushless Motor 2430 KV4200 2. 4GHz Radio with 2 in 1 ESC Receiver Speed Switch on Transmitter reduce top speed for beginners Li Ion 7. 4V 800mAh Battery USB Charger Roof Mounted LED Light Features: 4WD Shaft Driven Truck Independent Double Wishbone Suspension Composite Oil Filled Adjustable Coilover Shocks Enclosed Plastic Upper & Lower Chassis 4 Gear Bevel Diff Gears Front and Rear Metal Diff Gears Metal Front UJ Driveshaft, Metal Rear