The LEGO Marvel The Infinity Saga Nano Gauntlet instruction book is a manual for building the LEGO set number 76223, featuring characters from the Marvel universe. This booklet provides step-by-step instructions on how to construct the Nano Gauntlet, a key piece in the Marvel Cinematic Universe. The LEGO brand is known for its building toys, and this manual is essential for fans looking to recreate scenes from the popular franchise.