The Short Circuits Volume 1 Projects Kit includes the baseboard and all components necessary to complete every project featured in Short Circuits Volume 1. Simply mount each project onto the spring terminals of the baseboard, one at a time. All you'll need are 4×AA batteries and the PU8502 Short Circuits Volume 1 Book. With this kit, you can create 24 unique projects, such as a light chaser and a police siren, all while developing fundamental electronics skills. Plus, there's no soldering required, making it an accessible and hassle-free learning experience.