"Build it. Move it. ZOOB it." No, this isn't a Zumba class, but the catch phrase of the ZOOB Builderz kit! I still have no idea what "ZOOB it" means, but I have been pretty impressed with my purchase of the ZOOB kit. I was on the hunt for a building kit to enhance my STEM program, and this kit was intriguing because of the STEM Challenge Cards. Read on for my review of the ZOOB Builderz STEM Challenge Kit.