Most Nintendo games nowadays come with a voucher code for Club Nintendo points which can be swapped for items in the Star Catalogue.
They have some great items on the site right now for summer -
MARIO KART SUNSCREEN FOR CAR ONLY 2800 PTS
Wii Fit Frisbee 1000pts
Mario Galaxy Kite 3000pts
Animal Crossing One Shoulder Bag 6500 pts
Mario vs Donkey Kong GBA game 5000pts
Animal Crossing Watch 4000pts
and lots more including t-shirts and flipflops
I have only listed the items that are still available on the site.
So register today at Club Nintendo and swapped points for some of these great items.
I purchased a Mario Kart Sunscreen as it seems to be the best value for points.Great quality and looks fab too.