This item is broken down into two separately bagged 4000 piece sections. Educa puzzles are known around the world for their quality standards, using green & blue boards which create exact piece fits and greatly reduces puzzle dust. As well, every Educa puzzle between 500 and 2000 pieces includes puzzle glue for preserving your success, and a Puzzle Piece Replacement Guarantee through which they replace lost or missing puzzle pieces directly to the customer.