EB Excalibur EI5851BL10 Einstein Science Build Your Own Radio Lab Learn to build your very own FM radio in a fun and safe way. The Einstein DIY Science Kit comes with everything you need and has easyto follow illustrated labstyle instructions. All parts are made from nontoxic materials, and electronics experience is not required. The Einstein doityourself Science Kit lets you learn from the ground up.Batteries Required 4 AAAge Requirements 13