Illuminate the dark with eerie, alien glowsCrazy Aaron’s Glow in the Dark Putties are solar-powered silicone fun. Let them absorb sunlight during the day and then appear to glow from within as the translucent putty throws the light back in your face for hours and hours. Available in radioactive green Krypton and neon blue Ion designs. Includes putty and 4” tin container. Ages 3 and up.