Sell <jumila> Smooth Corner Science Experiment Toy Small Scientific Experiment Light Tunnel Toy Eco-friendly for Children best price

Description: It contributes to developing children's intellectual ability, innovative thinking, hands-on ability and helps children develop their interest in science because this model is an educational DIY toy. Vivid color and novelty appearance designs will easily attract children's attention while having fun. It can stimulate children's interest in learning and curiosity through DIY small production, exercise children's thinking ability, and let children understand abstract knowledge through disassembly and assembly. Made of plastic and electronic component material, it is eco-friendly and safe. The length of product is 7.8cm, the width is 6.9cm and the height is 4.2cm. This product is a wonderful teaching equipment for student science and technology education. Item Name: Science Experiment Light Tunnel Toy Material: Plastic,Electronic Component Suitable Age: Over 5 Years Old Features: Safe, Reliable, Creative Reminder: The product is a DIY toy, the color changes with the color of the parts. Size Details: 7.8cm x 6.9cm x 4.2cm/3.07" x 2.72" x 1.65" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Principle: Plane mirror imaging refers to the principle of the same virtual image formed by the reflection of light after the light enters the plane mirror. The landscape corridor uses multiple reflections between the mirrors to form images. The smaller the mirror angle, the more the image will be formed. The larger the angle, the less imaging. Features: 1: The image is the same size as the object, but the direction is opposite. 2: The distance between the image and the object to the mirror is equal. 3: The connecting line between the image and the object is perpendicular to the mirror surface. 4: The image in the plane mirror is a dotted line image of upright and equal size. Package Includes: 1 Set of Science Experiment Light Tunnel Toy (Including Wire, Connector, Battery Box Bottom, Battery Box Cover, Pin Diode, Diode Plug, Film Glass, Lens, Switch, Color Sticker, Shell Bottom, Shell Cover, Light Ring, Light Ring, Button Battery)