Dentist-recommended two-minute brushing timer designed to help children brush for the recommended duration without losing interest. Fun color themes, cute tooth shapes, and cartoon smiley faces make toothbrushing enjoyable for kids. Made from durable PVC and high-quality borosilicate glass with non-toxic sand, ensuring safety for children. The sealed ends are securely attached and difficult to pull apart or break, making it a reliable brushing timer. Ideal for use during toothbrushing, learning, or playtime to help children develop a better sense of time and improve daily routines. Also makes a great gift for kids. Includes 2 pieces of 3-minute hourglasses. To use, gently shake to loosen the sand, then flip the hourglass over on a flat surface to start timing. Please note that this is not a precision timing device and may have up to a 10% variance in timing accuracy.