These bubble inserts are for enhancing the tactile experience of your DIY projects. Made from soft, durable material, the white inner balls provide a satisfying squeeze and bounce, making them ideal for stress balls and plush toys. Easy to use and versatile, these inserts are a must-have for any crafting enthusiast. Features -Color:Transparent -Material:Soft rubber -Size:5.00X5.00X3.50cm/1.97X1.97X1.38in -Engaging diy: build your own bubbleblowing toy, adding a fun and interactive element to playtime -Soft rubber construction: made from soft rubber material, ensuring it is safe for kids to use -Accessory pack: includes multiple bubble core ball accessories for easy replacement and maintenance - : enables the creation of stunning bubbles, enhancing the play experience -Imagination stimulation: encourages children to use their creativity and imagination, fostering artistic growth Package list: 10 Bubble Inner Balls