As one of its daily deals, DealGenius offers the Colgate Transformers Kids' Electric Toothbrush 2-Pack for $6.99. Coupon code "LOYAL5" cuts it to $6.64. With free shipping, that's $3.32 per toothbrush and the lowest total per-unit price we could find for any Colgate kids' electric toothbrush by $3, although we saw it for pennies less in June. It includes brush heads and batteries. Deal ends today.