Learning Resources 2-Minute Toothbrushing Timer. This colourful light-up timer helps ensure children brush their teeth for the recommended two minutes twice a day. Its fun and easy to use. Once children apply toothpaste to their toothbrushes, they press down on the toothbrushing icon to activate the timer. Listen for the sparkle sound thats when its time to stop brushing. This brightly coloured timer measures 9cm in diameter and fits in most bathrooms. Requires 2 AAA batteries included. Product includes 1 timer and multilingual guide.