Features: brand new and high quality Introduce your kids to the amazing world of Vintage toys and let them discover the magic behind the gravity-defying stunts their new rail twirler performs. Just a flick of the wrist makes the magnetic wheel magically run around the wire rails without falling off. Encourage your little learners to explore the ideas of Gravity and Magnetism easily. Your kids will probably wonder how it is possible for the Gyro Wheel to magically spin up and down and try to "solve the mystery" by learning more about science and magnets! The faster the you spin it, the more the lights flash. This hot Christmas toy is a perfect stocking stuffer for kids. Also makes a wonderful birthday gift. Research has show that sensory toys are very beneficial for kids with certain disabilities, such as autism. Our led gyro wheel toy makes a great fidget toy and stress relief toy for kids. Our gyro spinner is not only for amusement. It's also an excellent wrist and arm strengthener. Package Includes: 1x Magic Rail Twirler Specifications: Material:Plastic Size:Approx.7x20x5cm/2.76x7.87x1.97in Battery:Powered by 3 Button Batteries Color:Orange/Green/Pink/Blue(Random Delivered) note: 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.