AR390089 ADS-7M Waterproof Servo RED and Math Toys By building this ant colony

By building this ant colony

your engines run cooler and produce more power

FEATURES: Single stage engine Standard engine designed for flights in rockets weighing less than 3 ounces

FEATURES: Compatible with any O scale train equipment Operating doors Operating couplers INCLUDES: One O Scale REA Waffle-Sided Boxcar REQUIRES: O Scale train equipment Adult supervision SPECS: Scale: Standard O gauge Minimum curve: O-27 Length: 10-1/2" (266

AR390089 ADS-7M Waterproof Servo RED and Math Toys By building this ant colonyThis is the Arrma ADS 7M Waterproof Metal Gear Steering Servo. FEATURES: Dustproof and waterproof in normal usage when mounted to a vehicle Ideal for use as a steering servo in 1 10 scale stadium and monster trucks Metal gears INCLUDES: Arrma ADS 7M Servo with Futaba style Connector, 1. 2" (32mm) diameter 6 Point Horn, 1. 5" (39mm) diameter 4 Point Horn, 1. 5" (39mm) Double Arm Horn, 0. 83" (21mm) Round Horn, four each Screws, Grommets and Eyelets