My local Walmart has lego duplo sets for clearance. I attached my receipt.
LEGO DUPLO Birthday Picnic 10832 = $3
http://brickseek.com/walmart-inve…=1745933
LEGO DUPLO My First Cakes 10850 = $1
http://brickseek.com/walmart-inve…u=551261
LEGO DUPLO My First Carousel 10845 = $5
http://brickseek.com/walmart-inve…u=551261
LEGO Creator Red racer 31055 = $0.75
http://brickseek.com/walmart-inve…u=551261