Groupon offers the NBA Mini Hoop Set in 14 team designs (Oklahoma City Thunder pictured) for $29.99 with free shipping. (Amazon offers a very limited selection of teams for $5 less with free shipping for Prime members.) That's $10 off list price and the lowest total price we could find by $17. It features a breakaway metal-spring rim, 18" x 12" backboard, and 5" diameter ball. Deal ends March 16 at 1 am ET.