Expand your journey into the magical world of Harry Potter with Hogwarts - Astronomy Tower, an 875-piece 3D puzzle from Wrebbit3D. Part of a unique and exclusive Harry Potter Hogwarts Collection, this new addition includes famous buildings of the beloved World of Harry Potter.. Combine the 2 puzzles from this unique Harry Potter Hogwarts Collection (Great Hall and Astronomy Tower) and get a 3D puzzle of 1 725 pcs. Assembled Astronomy Tower 3D puzzle: 15,5" L x 12,75" W x 19,25" H. Wrebbit3D™ puzzles are the largest and have the highest piece count of their kind. Snug and tight fitting pieces that are easy to handle. They are the sturdiest 3D puzzles on the market, using the highest quality of design and illustration. Made in Canada from non-toxic polyethylene foam.