24 SPACE EXPLORATION SLIDES: The planets for kids come with 3 reels for a total of 24 full-color slides! Show kids the solar system, spaceships, astronauts, and planets. Insert the CD into the projector, the image can be projected on the wall, adjust the top knob to the clearest effect, and start our journey in space. PROJECTOR NIGHT LIGHT: Solar system for 3 year old boys with bright LED solar dome, kids can use it as a night light or flashlight at night, no longer afraid to fall asleep alone. When children go to the bathroom at night, turning on the solar system projector can also provide light in the dark to prevent falling. Powered by 3 AA batteries (not included) EDUCATIONAL ASTRONOMY GIFTS FOR KIDS: The perfect Christmas/birthday gift for 6 year old boys with astronaut dreams, the planetarium projector allows children to understand the location of the 8 planets in the solar system and learn the color of the planets..INSTALLATION NOTE: Please refer to the installation tips in the 6th picture. Make sure there is no gap in the connection, When the upper part and the lower part are connected, pay attention to hearing "click". If your experience is anything less than extraordinary, please contact us and well make it right.