Welcome to our store! This sand timer is an effective and exciting sensory toy that helps your child relax and stay focused with its slow and rhythmic movement. Children and adults can also use it to refocus, release stress or anxiety, and find a comfortable rhythm at home or in the office. No batteries or power required! Just flip it over and it starts again and again. Hourglass design, with beautiful and smooth colors, the sand falls slowly and moves, creating a unique experience powered by time and gravity. It can be used as car decoration, decoration, etc. The hourglass machines are sealed from top to bottom, which means children can shake them or tip them over without worrying about spills or messes. Dimensions: Approximately 12 x 10 x 4 cm / 4.7 x 3.9 x 1.6 inches (manual measurement, slight error allowed). Function: decoration, interaction Material: Acrylic plastic and liquid Package: 1*Sandglass timer Satisfaction: Customers are our top priority. If you find any product problems after receiving the item, such as damage or incorrect item quantity, please contact the seller immediately. We will do our best to provide you with satisfactory after-sales service. Thank you for choosing our sand timer!