Walmart has the Dremel MultiPro 7V Cordless Rotary Tool Kit (7700-1/15) for $30 with free in-store pickup or $5.99 shipping to home. List price: $40. It features two speeds and comes with 15 Dremel accessories, including sanders, grinders, and mandrels.
Amazon has the Klein Ratcheting Screwdriver and Nut Driver (32558) for $18 with free shipping for Prime members or on $25+. Has good Amazon Reviews.