1、Educational function, it can allow children to learn some scientific knowledge while playing, expand scientific knowledge and promote children's intellectual development. 2、Enhancing theoretical knowledge, the toy assembly process can cultivate children's operational ability and logical theory, and help children understand light and shadow. 3、A great DIY educational toy, it is suitable for children and students to gain a sense of accomplishment and learning knowledge in the entertainment process. 4、Cultivate thinking skills, excellent hand‑eye coordination and concentration toys, which can help them think, increase creativity and interest in learning. 5、Detachable teaching equipment, its teaching method is simple, and it can also be detached and stored daily, so that children's classrooms are no longer boring. item type: Puppet Theater Product Size: Approx. 14.5x10.5x7.5cm / 5.7x4.1x3.0in Weight: Approx. 195g / 6.9oz Material: paper + composite wood Battery: 3x42mAh LR41 button battery (battery included) Suitable age: Juvenile (7-14 years old) Science and Education Toy Type: Physics Features: durable, DIY assembly, educational toys. 4 Bag x Accessories (7pcs/Bag, 28pcs in total)