Mario Kart K'Nex Motorized Cart Bundle $13 (reg. $39)
This is an awesome deal if you have a Target Red Card!
Right now, Target.com has the K'Nex Mario Kart Motorized Cart Bundle for only $12.99 (reg. $38.99). The set comes with Mario, Luigi and Yoshi. Shipping is free with your Red Card, plus you get an additional 5% cash back.
My son has some of these and they are pretty cool- you get to build the cars and then "race" them.
Shop through Ebates for 1% cash back, plus a sign up bonus for new members!