Galt Toys Construction - Glow Super Marble Run Toy The Glow Super Marble Run from Galt is a unique set that lets children construct their own towers and then when the lights are off watch their glow-in-the-dark marbles zoom through the air Great for honing fine motor skills, cause and effect learning and expanding imagination The see-through chutes and curves will make it look like the marbles are flying through space in the dark! Contains over 40 construction pieces and 10 glow-in-the-dark marbles For ages 4 to adult