This is a great musical toy With well-made and vibrantly colored metal keys that produce the clearest tones, this colorful and sturdy xylophone instrument will help your kids create the most magical sounds. Safe Design for Toddlers, Xylophone metal keys cannot be removed as that screw locking,Round corner designed and with two child –safe nontoxic mallet to reduce the risk of choking. Intellectual Development: Playing with this brightly colored xylophone, By learning and playing music can inspire and influence kids’ emotions, cultivate creativity and eye-hand coordination. It provides long-term benefits for kids’ intellectual development. This is a Battery operated product and Suitable for children 3 years and up.