Laser Pegs 16-in-1 Mythology Building Set Includes 20 Laser Pegs, 80 construction parts, a Triangle Power Base, a Peg Cord and Model Instructions Build the light up Griffin and 15 more light up models like the Apep, Atlas and the Ballerophon Once connected to a power base, each Laser Pegs shape feeds the next to light up as you build 3 Light Settings: On, Fast Flash, Slow Flash; Laser Pegs' unique design makes them compatible with other major construction kits 100% recyclable, LED life expectancy of 100,000 hours or 11 years, 90 day no questions asked warranty