Estone&reg; 13 Colors 600pcs Rainbow Rubber Band Loom Refill DIY Bracelet + Clip + Hooks (Black) Quantity:1set (600pc bands + 2 package s / c -clips+1 Hooks ) Material: synthetic rubber, plastic Color: 13 colors you can choose Best gift for you Kid. I love it, becouse it Enhance children's ability and creativity.