Toys R Us has the Fisher Price Trio Building sets on sale this week: buy two get one free.
Use the $5 off printable coupon to get two free when you buy one.
$14.99 wyb 1 TRIO Watch Tower building set
$14.99 wyb 1 TRIO Police Station building set
$14.99 wyb 1 TRIO Siege Tower building set
Use three $5/1 TRIO printable coupons
minus $14.99 store offer discount for buying two and getting one free
Total out of pocket: $14.98 for three TRIO building sets.