Big Mouth Toothbrush: The Oversized Electric Brush That Sold Out After Shark Tank
Orthodontist Dr. Bobbi Petersen turned what she saw in her practice into an electric toothbrush with an oversized head, landed an offer of $150,000 for 20% plus a $2-per-unit royalty from Barbara Corcoran on Shark Tank, and sold out within 24 hours of the broadcast.
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