Lego: Zane's Titan Mech Battle 71738

Pieces are in great condition. I've spent a lot of time going through the piece list in the booklet, and followed the instructions page by page, to make sure there are no missing pieces, and every piece is in a bag with original numbers. The instruction booklet is in great condition. The original bags themselves have been replaced, but the bag numbering is the same. The box has been opened, but condition is very good (see pics). https://www.lego.com/en-ie/product/zanes-titan-mech-battle-71738