Feature:1. 1. Its slow and rhythmic drops have a very appeasing effect and actually help kids with sensory or hyperactivity issues. Makes perfect autism sensory toys to sooth and remain focused.2. 2. The descending bubbles have a soothing and mesmerizing effect that will keep kids entertained for hours. Gravity will guide the colored droplets travel down at slow motion pace. These sensory toys can help improve visual tracking skills.3. 3. This liquid timer makes the perfect fidget toys, office desk toys and even as classroom rewards. Like a stress ball used for hands, these are perfect as adhd toys for gentle visual stimulation. This adhd timer adipose stress toy has two bright colored drops that rain down slowly when flipped, almost like a lava lamp or hourglass sand timer, making them fun children activities kids toys.4. 4. Endless hours of calming entertainment. Great as therapy toys and even stress relief toys. Never runs out of energy. Just flip over and start again.5. 5. Measuring at 5.5" inches tall x 3.5" inches wide. This listing is for 1 bubbler, color may vary. Endless hours of calming entertainment. Makes a great gift for teachers, employees, your boss or simply used in a classroom for young children.Specification:Product name: slide oil leakMaterial: AcrylicProduct size: 9 * 3.5 * 14cmProduct weight: 300gPackage List:1 X Hourglass ToyNote:Due to the different monitor and light effect,the actual color maybe a slight different from the picture color.Please allow 1-2cm differs due to manual measurement.