FREE Kids Build & Grow Clinics at Lowes – MARVEL AVENGERS ASSEMBLE This post may contain affiliate links. Please see the full disclosure policy here. Posted on July 27, 2015 Written by Mary Leave a Comment Hurry over and sign up for Lowe’s Build & Grow Camps now! These are FREE for your kiddos, but the spaces fill up fast. Coming up: Hulks Tank & Thor’s Chariot!