1、The best toy for children: it can stimulate children's curiosity and imagination. Not only makes sleep fun, but also allows babies to fall asleep at ease. Use it to enjoy your warm parent-child time! (Age level: over 3 years old). 2、Good material: using high-quality ABS environmentally friendly non-toxic materials, smooth edges will not hurt children's hands. (Including battery) Very energy saving. 3、The application is simple: just pull the plastic cover to replace the slides, then insert the disc and rotate or adjust the disc to observe the projected image; it is recommended to use a dark room with a projection distance of 50-150 cm to create a clear and accurate image. 4、Multifunction: There is an on/off button on the flashlight, which can be turned off when not in use. It can be used not only as a projection, but also as a flashlight, both indoors and outdoors. 5、The size is very suitable for children to grasp, easy to carry, and can also be used as a flashlight, giving children a sense of security at night!