Make playtime bright with Glo Pals x Sesame Street Light-Up Cubes! Each set comes with 4 colorful, water-activated light-up cubes with the face of your favorite little furry monster! Each vibrant, reusable light-up cube lasts a minimum of 30 days or 16 lighted hours and can be used individually or with your favorite Glo Pals x Sesame Street characters!