3 x LR44 Batteries included.
Use Classic K'NEX pieces to build the 4 Wheel Drive Truck with lights! Build the 4 Wheel Drive Truck with 313 pieces and all wheel steering to handle the toughest terrain! Or build the alternate pick-up truck or dune buggy. All Classic K'NEX pieces are made in the USA. Light bar uses 3 button batteries (included). Most models can be built one at a time.