With this DIY Star Projector Kit, you can embark on a cosmic adventure in your own bedroom. The kit includes both northern and southern hemisphere star charts, a 4.5" diameter lamp, and easy-to-follow instructions. Invite your friends to enjoy the mesmerizing star show you create without the need for batteries. Not only will you be inspired by the night sky, but you'll also learn about reducing your carbon footprint, making it a fun and educational experience.