LED Marbles Glow-in-the-Dark - 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. These 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 ENDLESS POSSIBILITIES - Make playing in the dark simple and easy with these magnetic race in the dark colorful motion activated LED light-up marbles that enable children to focus, pay attention and utilize their creative minds to develop the logical thinking required to make the glow in the dark marbles glide through the colorful tracks. These marbles have built-in batteries and activate the internal LEDs through motion or movement allowing for no limitations to play in any dark environment. LEARNING IS FUN - Our toys encourage creativity and STEM learning, a key factor to success in today's ever-changing environment. Fun and entertaining it’s the perfect imaginative educational present for school-age children and will never go out of style. Going above and beyond traditional toys, this interactive expansion set is fun for boys and girls ages 3+, at all learning levels. Roll the colorful LED marbles down the translucent building magnet tiles for endless fun satisfying entertainment STEM LEARNING - Never too early to start developing creativity and STEM skills, children age three years old and up will acquire visual learning, a strong sense of color, understanding of 3D forms, geometrical shapes, architectural design, magnetic polarities and structural engineering. Additional PicassoTiles expansion packs similar to this LED Light-Up Marble Pack enhance the play set experience by including numbers for counting, alphabets for reading, and even detailed illustrations. BPA-FREE & NON-TOXIC: We place safety above all else. Our PicassoTiles magnetic toy sets are BPA-free and non-toxic, creating a safe environment for your child's playtime. With us, you're not only guaranteeing enjoyable amusement but also embracing the peace of mind that comes from knowing your little one’s exploration is shielded from harmful elements. PicassoTiles Motion Activated Marbles 4pc LED Light-Up Glow in The Dark Translucent Balls for Marble Run Race Racetrack Maze Magnetic Construction Magnet Tiles Building Block STEM Education Kids Toys