Educational Games -Floating Liquid Motion Timer Flowing Sand Drawing Psychedelic Starry Sky Highlights Generic Brand Floating Liquid Motion Timer Flowing Sand Drawing Psychedelic Starry Sky Description: Dynamic sand art is made of sealed glass, fine sand , safe plastic, liquid, suitable air Watching the ever-changing flow of sand, relieve your eyes, suitable for office workers, students and IT workers Showing fancy sight painting - great addition for your home office desk lobby decoration or table ornament, etc. Eco-friendly and exquisite workmanship Material: Plastic + Glass + Liquid + Sand Color: As pictures shown Size Chart: L x W x H: about 18 x 3 x 14cm / 7.09 x 1.18 x 5.51inch Package includes: 1 x flowing sand drawing Note: Due to the manual measurement, please allow 1-2mm differences in size Due to the light and screen difference, the item's color may be slightly different from the pictures. Try to understand