Mona Lisa, Educa "Miniature" series, 1000pcs. This is hands down one of the hardest because every piece fits perfectly with every other piece, and since it's tiny, it's hard to discern the
World Landmarks - 1000pc Miniature Jigsaw Puzzle by Educa - SeriousPuzzles.com
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The Alfama District, Lisbon Mini Puzzle, 1000 Pieces, Educa | Puzzle Warehouse
1000, Educa, Romance of Venice, Sollazzi (Miniature) - Rare Puzzles
1000, Educa, Country Pumpkin, Anne Geddes (Miniature) - Rare Puzzles
Amazon.com: Educa Boras Guernica P. Picasso Miniature Puzzle (1000 Piece) : Varios: Toys & Games
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Jigsaw Puzzle Miniature Educa 1000 Parts Collage Gaudi 11874, 30 X 46 CM 8412668118744 | eBay
Soft Cans II - 1000pc Miniature Jigsaw Puzzle by Educa - SeriousPuzzles.com
Educa AMSTERDAM 1000 pc Miniature Jigsaw Puzzle Colored Black and White Photo - Walmart.com