Glo Pals Lumi, Light Up Cubes, Paars, 4 Stuks Onderweg No hard corners or painful No hard corners or painful bumps This backpack easily fits your little one's daycare accessories or your favorite toy and animal friend for a day out Lifespan: Each individual Glo Pal lasts for at least sixteen hours of light Simply drop the cubes into water and watch them light up as if by magic