Balancing toys were popular in the 19th century. Dating back to ancient China and India, where they were most often carved from soft wood, the western balancing toys were traditionally made from tin or metal. Illustrations of balancing toys can be found in educational literature from the 18th century. The physics governing the movement of such toys intrigued and amazed people. Balance toys came in various forms, and our particular shape is traditionally. Please note that this is a solar toy. The propeller will work in the sun. The propeller stopped working without sunlight. PLEASE BE ATTENTION: It can’t run inside room or across glass windows, no work in cloudy or rainy day too, no work under flashlight or cell phone flashlight. No power storage function, and no work in night. PACKAGE LIST: 1* Solar aircraft SPECIFICATIONS: Size: 2.56 in (w)* 3.62 in (H) . Please measure the size with ruler instead of image the size in mind. Material: Metal + Solar panel Product Net weight: 65g / 0.40 lb. FEATURES: 1. Under the sunlight, solar cells convert light energy into electrical energy to drive the blades to spin; It works better in places where the light is slightly stronger. 2. The product is vivid, novel, and stylish. It completely relies on solar energy for direct drive, energy saving. 3. Don’t expect wind during running, it’s not a fan. Please note that this is a solar toy. The propeller will work in the sun. The propeller stopped working without sunlight. HOW TO PLAY: This cute Windmill model ONLY works in directly sun power. Place the model in directly sunlight, and give the propeller a gently push, it will active and start to charming you. WELL-MADE Most of material is silver stainsteel. Chromium plating process, the functional mainly reflects in wear-resisting, has a smooth surface, will not rusty and fade, always looks as good as new. Ingenious designs and unique style, let you own your attractive decoration. SOLAR POWER The solar windmill blades run madly if you put the windmill under directly sunlight. It can't work in Interior lamp, like flashlight and cell phone flashlight. Don't expect wind during running, it’s not a fan. GOOD FOR TAKING A BREAK This is something that gives your eyes a place to focus when you need to clear your mind. If you have a fan running it stays in motion. It's built sturdily. I can imagine your colleagues pausing from work and chilling out for a bit watching this. PRIORITY GIFT OPTION FOR MANY APPLICATIONS It is an amazing. It has a wide range of application as, great gift for science project, Physical/mechanical learning, teacher’s Demo props on the class, birthday gift for friends, families, parents, etc. Many of our customers come from school, colleague, etc. MULTIPLE PURPOSES It’s a classic toy. This cool toy will be a good icebreaker when you lay it in sunlight. Use it to waste time, relieve stress, tune out boring coworkers, or schooling youngsters in physics. It will be nice toy. Please note that this is a solar toy. The propeller will work in the sun. The propeller stopped working without sunlight.