Sensory Tool & Smooth Material to Build Boys and Girls Hand Strength. Pop Snap Beads are great for strengthening hand/finger muscles for pre-writers. The motion of putting the beads together and having to pull them back apart helps to develop finger flexibility and hand-eye coordination.Also no-edges desgin make it feels soft in the hands. Easy to Snap Together and No Need Thread. Each snap bead comes with a perforated hole allow to take-apart beads and re-used to make new creations again. Each piece is easy enough for small kids age 345678 years old to connect/take apart herself with no help. Manufacturered by MerryXGift. Safe Reusable DIY Jewelry Making & Crafts Toy Even for Boys. Durable Non-toxic ABS material pop-it beads can be disassembled and assembled hundreds of times. Smooth surface avoid scratching hands. Not Only for making girls fashion jewelry but also for boys to built all kinds of robots cakes towers cars labyrinths. Snap-lock and Layered design Giftbox with a Handle Simplifies Storage and Facilitate Toddlers' Neatness. DIY jewelry making beads includes over 550pcs various pop beads in all different kinds of sizes shapes & designs. All decorative jewelry beads can store in the cute giftbox without wasting any space to keep clean and organized. Perfect for school classroom birthday Christmas gifts Thanksgiving.. Promote Fine Motor and Develop Child's Imagination Creativity. Kids can create various shapes with their imagination by this pop beads set. Making hairbands(unique style in the market) bracelets necklaces and rings with hundreds of different combinations to promote kids perception and discrimination of various colorsenhance their aesthetic appeal and visual senses.