Specifications: Name: Expanding Ball Toy Material: PE Size:About 12cm/4.73in, diameter after expansion: About 24cm/9.46in About 14cm/5.52in, diameter after expansion: About 28cm/11.03in About 16cm/6.3in, diameter after expansion: About 32cm/12.61in Description: Colorful and Expandable:Unique and colorful, these spheres inspire children to be creative and inventive.thw ball can be opened and expanded, and then it can also be shrunk back to its original size. Reusable and Durable:The Breathing Ball is made of PE material, which is reusable, durable, smooth, edges and smooth for kids to play. Train ability:Colourful balls will enhance the cognitive competence of colors and creativity of your babies.Help cultivate children's imagination, creativity, thinking ability, memory and hands-on ability. Effective and Fun:Perfect for kids and stressed-out adults who want a little fun.Novel Expansion Ball is great for kids and adults with anxiety, concentration and fidgeting at their desk.Relax and calm your mind and body with this expandable breathing ball techniques. Nice Gift:Unique novel toys attracts attention,easy to carry, you can play in office, home,school,outdoors, travel, party, etc.Birthday and Holiday gifts for kids, family and friends. Package Included: 1 x Expanding Ball Toy Notes: 1. Due to various factors such as monitor brightness and light brightness, the actual color of the product may be slightly different from the picture displayed on the website. 2. Please allow for slight manual measurement bias in the data.