EASY REPLACEMENT: Insert the CAN and story slide into the upper and left card slots of storybook projector respectively. One story slide corresponds to one space knowledge, insert the story piece and the machine will automatically retrieve the corresponding knowledgeTRAVELING IN SPACE: The CAN contains 64 space scenes, 8 space themes, so that children can see the universe in high definition, and follow the CAN to travel in the universe. Synchronization of audio and picture brings children a realistic experience, listening and watching, exploring the mysteries of the universe8 MAJOR ASTRONOMICAL KNOWLEDGE: The 8 story slides store professional and interesting astronomical knowledge, which can enrich the knowledge base of children. These story slides involve a very wide range of knowledge: The Universe, Types of Celestial Bodies, The Sun, Solar System, The Earth, The Mars, The Moon, Aerospace ActivitySPACE KNOWLEDGE ENLIGHTMENT: While children quietly watch the projection before bedtime, they learn about the mysteries of the universe through audio explanation of space knowledge, cultivating their interest in astronomical knowledge and becoming little astronautsPORTABLE DESIGN: The CAN and the 8 story slides are very lightweight and cute, they are easy to carry for multiple places. However, please note that this product is an accessory and needs to be used with our storytelling machine. We have accessories with different story themes for you to choose, these stories can enrich children's knowledge and stimulate their interest in certain aspects