Boosted, makers of the immensely popular Boosted Board electric skateboards, is back with a smaller Boosted Mini that starts at $749. The Boosted Mini comes in two versions: a standard range model (S) that lasts up to seven miles and has a top speed of 18 miles per hour, and an extended range (X) that can do around 14 miles with a top speed of about 20 miles per hour.