Enjoy hours of fun and learning with the Toysmith Fiber Optic Light Physics Science Kit. Learn about the properties of light with this functional and decorative fiber optic lamp. Blue light emits from the tip of each fiber optic strand of this 13.5-inch lamp. Portable to take anywhere, this lamp is powered by 3 AA batteries (sold separately). All of the parts are made of safe, high quality materials. This lamp is recommended for ages 5 years and up.