The popular Chain-Program robot receives a color variation release with this special combination of blue and yellow! Its movements are pre-programmed by the use of 3 different types of links, which can be connected together to make a chain. The kit includes everything needed for easy snap-fit/screw-together assembly, with just one AA battery required to operate. With the potential to use with micro-computers and other Tamiya Educational Construction Series components, this is a fantastic educational product to bring out your creative side! Assembly kit. Length: 185mm, width: 138mm, height: 162mm The model is programmed using 3 different types of link (forward, left and right), which give movement commands. The maximum length is up to 40 links. Powered by two Type 130 motors. 3mm holes make this product compatible with existing Tamiya Educational Construction Series universal arms and plates. Features space for installation of a micro-computer for more advanced programming applications. Can be used with separately sold 2ch remote controller (requires double gearbox).