Two-Color Liquid Oil Leakage Hourglass Timer Crafts Decompression ToysProduct Information Style Toys for Everyone Need: Great desk top toy for all ages ranging from children to adults. Fidget toy never runs out of energy. Endless hours of calming entertainment. Great as therapy toys and stress relief toys. Great Calm-Down Toys For Everyone: Suitable For Special Needs, AUTISM, ADHD Sensory Toys Non-Toxic Materials Helps children with sensory and hyperactivity issues calm down and stay focused. Liquid Motion Bubbler Sensory Toys: This liquid timer is the perfect way to stimulate your visual senses. Perfect Liquid Bubbler Timer Toys: Bubbler measures 2.2" wide x 5.7" inches in length. Each liquid timer contains two colors inside. This liquid timer makes the perfect fidget toys, paperweight, office desk toy and even as classroom rewards. Package Included: 1 x Liquid Motion Bubbler Note: 1.Please allow 2%-3% differences due to manual measurement, thanks. 2.Besides different computers display colours differently, the colour of the actual item may vary slightly from the below images, thanks for your understanding.(1 inch = 2.54 cm).