Feature: 1. Education Concept: Scientific research shows that education concept can effectively stimulate the early development of the brain, that is, an education method that integrates art, mathematics, science, engineering and science. 2. Scientific Grading: scientific grading and advanced exploration and operation from easy to difficult, knowledge from shallow to deep, suitable for children of different ages, step by step. 3. Recyclable: More than 70 kinds of materials are complete and more worry free. The experimental materials are complete and sufficient, and can be recycled. 4. Detailed Explanation: The dual teaching principle of picture book and video explains that expanding thinking not only has operation steps, but also detailed principle explanations that satisfy children's 100,000 whys and enlighten scientific thinking. 5. Paper and Plastic: The Kids science kit is made of paper and plastic material, which is safe and environmentally friendly, durable and durable for long term use. Specification: Item Type: Physics Experiment Set Material: Paper, Plastic Product Features: STEAM Concept, Scientific Thinking, Hands on Ability, Safe Materials Product Battery Details: Slide Projector: Need to Install 2xAA batteries (Battery Not Included) Starlight: 2xAA Batteries (Battery Not Included) Need to Be Installed Magnetic Lamp: Need to Install 2xAA Batteries (Battery Not Included) Money Can Make a Cow Grind: Need to Install 2xAA Batteries (Battery Not Included) . Package List: 1 x Material Pack (1 x White Latex, 1 x Double Sided Adhesive, 1 x Sticker)1 x Magnetic Lamp Material Pack1 x Raster TV Material Pack1 x Slide Projector Material Pack1 x Air Bazooka Material Pack1 x Thunder Fighter Material Pack1 x Colorful Watermill Material Pack1 x Star Light Material Pack1 x Money Can Make the Cow Push the Mill Material Package8 x Model Paper Note: Do not swallow, this product contains chemical materials and small parts do not eat, parents accompanied by better, individual materials incisive edges, balloons have the hazard of rupture, need to be used under adult supervision, away from sources of ignition, some materials are flammable, please stay away from sources of ignition, before and after the use of hand washing cleaning experiments, be sure to wash your hands to keep clean.