Upgraded Bracelet Making Kit includes 3 boxes with 1250pcs pony beads in 48 colors, 30pcs polymer clay beads, 540pcs letter beads, heart beads, 10 meters elastic string, and 8 colors nylon strings. Special pony bead types include Ab iridescent, transparent crystal, and flash star speckled finishes. Pony beads measure 9mm diameter, 6mm height with 4mm hole. Polymer clay beads are 10mm long with 2mm hole. Letter beads are 6x6x6mm with 4mm hole. All beads are lightweight, durable, waterproof, and fade-resistant. Perfect for making necklaces, bracelets, hair braids, earrings, and pendants.