Kids will flipper for these Dolphin Sand Art Necklaces. Just fill with your favorite color sand and watch these plastic dolphin-shaped necklaces come to life! A great birthday party activity, guests can fill their bottle using the provided funnel and wear their work of art. Perfect for dolphin lovers and ocean-themed events! Each 5.08cm x 1.27cm x 7.62cm plastic bottle comes on a 71.1cm circ. nylon cord. (1 dozen per unit) Includes funnel. Total sand required 3 oz., not included. Cord colors vary.