Becca Taylor, Andrea Peng and their fellow jigsaw enthusiasts were there to test their mettle against some of the globe’s fastest competitive puzzle solvers at the World Jigsaw Puzzle Championships.

The best unique puzzles ... Globe Puzzle. It's sort of like a cross between a 3-D model and a jigsaw puzzle — once it's completed, you'll have a 3-D map of the "Game of Thrones" world.

Well, they’ll need to really love puzzles to attempt what Costco is offering. The wholesale retailer is selling what it calls the world’s largest jigsaw ... to travel the globe yourself.

The company reported that the jigsaw, once completed, would be 8.6 metres wide and just under 2 metres tall. The 50,000 jigsaw pieces interlock to depict 27 wonders from around the globe.

Irwin Toy Ltd. is taking over Wrebbit Inc., the Montreal-based company that pioneered three-dimensional jigsaw puzzles. The terms of the transaction between the two privately held companies were ...