30pc LEGO duplo set ONLY $8.79 SHIPPED This post may contain affiliate links. Please see the full disclosure policy here. Posted on November 14, 2016 Written by Mary Leave a Comment Grab this 30pc LEGO duplo set today for just $8.79. You can snag it from TARGET and get free shipping. OR grab it from Amazon and if you’re a prime member get free shipping! Designed for ages 1 1/2-5, this set contains a cat, dog, and selection of LEGO DUPLO blocks made for smaller hands.