Philips Sonicare Xtreme e3000 Power Toothbrush for $15.97.  Select in-store pickup at Walmart to save on shipping.  Otherwise, shipping is free on orders over $45.  Here is a screenshot for your reference.  The Sonicare Extreme e3000 Power Toothbrush is a battery-operated toothbrush designed for teens and preteens.  Most places have it for about $29.