Build your artillery and establish your army with the Combat Crew 5-in-1 Building Set; Includes 539 pieces to build 5 different models - APC, Helicopter, Tank, Drone, and Anti- Aircraft Vehicle; Build the Drone and Anti-Aircraft Vehicle at the same time and battle; Includes a motor that moves the models and a working dart launcher to fight enemy forces; Also includes an exclusive combat figure that sits in the vehicles. Perfect for builders ages 7+. Includes instructions for 5 Military Vehicle building ideas; Combat Helicopter, Satellite Defense Vehicle, Drone, Armoured Personnel Carrier and Military Tank. Comes with motor, working dart launcher and combat figure; 539 KNEX rods and connectors. Requires 2xaa batteries, not included. Recommended for builders age 7+. One supplied. Size H35.56, W6.99, D43.18cm. Batteries required: 4 x AA (not included) plus . For ages 7 years and over. WARNING(S): Not suitable for children under 3 years old. Only for domestic use.