CREATIVITY BEYOND IMAGINATION - PicassoTiles Marble Run bright translucent glow colorful race in the dark marble add-on accessory toy set fosters problem-solving skills, hand-eye coordination, fine motor skills, educational STEM logic training, and child brain development. The vibrant glow-in-the-dark motion-activated LED light-up marbles add colorful lights as they shine through magnet tiles perfect for preschool, elementary, kindergarten, pretend play, group activity, and classroom teamwork.