Our pvc bubble core inserts are a must-have for any DIY . These bubble core balls are designed to be easily inserted into your handmade dolls, providing a fun and interactive bubble-popping feature. To use, simply insert the bubble core into your toy and enjoy the added sensory benefits. great for children, these inserts make your creations more engaging and enjoyable. Features - Color: Sky-blue -Material:PVC - Size: 5.00X5.00X3.50cm/1.97X1.97X1.38in -Interactive diy: enjoy the creative process of making your own bubbleblowing dolls, promoting fun and interactive playtime with your children -PVC: made from durable pvc, these bubble core inserts are designed to withstand repeated use while remaining soft and safe -Convenient accessories: with 10 bubble core balls included, you can easily replace and maintain your bubbleblowing toys, ensuring they are always -Multipurpose: these inserts are ideal for bubbleblowing toys but can also be used as unique decorations, thoughtful presents, and more -Child development: encourage your child's development by fostering their creativity and handeye coordination with these engaging inserts Package list: 10 Bubble Inserts