Using your Tangle Jr. Glow - in - the - Dark Fidget Toy is super easy. Just twist and turn the sections to enjoy fidgeting. You can play with it in the dark to see it glow. For best results, keep it away from direct sunlight for long periods to maintain its glow effect. When it comes to maintenance, you can simply wipe it with a damp cloth. Remember, this toy has separating sections, so it's a choking hazard for kids under 3. Always keep it out of reach of young children. If you order a pack of assorted colors, you'll get one of each available color. Ordering a box gives you a full case of these fun fidget toys.