- 1 minute light-up fun! Marvel. Go! Brush. Continue. Almost done. Stop! Finish. Less mess suction cup. - Firefly toothbrushes are fun to use and help create good oral care habits at an early age. Our Firefly ready go brush flashes for at least 60 seconds, the dentist recommended time for proper cleaning of each row of teeth. - To encourage brushing. The green light flashes for 30 seconds, the yellow light flashes for 30 seconds, and redlight flashes for 5 seconds so you know when to change rows. When light no longer flasher, it is time to change your brush (approx. 3 months).
Brush each row of teeth for 1 minute.
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