2x AA (LR6) Batteries not included
Use Classic K'NEX pieces to build the Transport Chopper with motor! Build the Transport Chopper with 341 pieces and turn on its motor to watch its chopper blades take off! Or build the alternate helicopter or fixed wing airplane, both with working propellers! Uses 2 AA batteries, not included. Most models can be built one at a time. All classic rods and connectors are made in the USA.