Product Name: Luminous Gyroscope Size: 6 x 7cm or 2.36 x 2.76 inches. Product Material: Plastic, Electronic Components describe Colorful Flash Experience: This gyroscope is equipped with a built-in rainbow LED light, which emits a dazzling and colorful light when rotated, bringing a visual feast to children and inspiring their imagination and creativity. Music accompaniment function: In addition to dazzling effects, the gyroscope is also equipped with charming music accompaniment. Whenever the gyroscope starts to be used, a light and lively melody plays, making game time more interesting and energetic. Safe material design: Made of high-quality plastic materials, ensuring absolute safety for children during play. Meanwhile, its rounded design avoids any potential risk of injury, making it a reassuring choice for parents. Portable and compact size: With a size of only 6 x 7cm (2.36 x 2.76 inches), it is perfect for children's small hands to grip and easy to carry. Whether at home, school, or on the go, you can enjoy fun anytime, anywhere. Enhance hands-on ability: By manually activating the gyroscope, children can not only improve their hand coordination and fine motor skills, but also help them understand basic physics principles such as gravity and balance, promoting intellectual development. product list Luminous gyroscope x 1 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.