Rob Stegmann's Collection . . . over 5067 puzzles !
. . . . . introducing a cleverly inovative 'ring menu' . . . . .
Roxanne Wong . . . from China ( using a nice slideshow format with full-screen capability)
. . . . . a collection of approximately 984+ . . . . .
Pantazis Houlis . . . ( nice large pics )
Excellent website design ! . . . with 1400+ puzzles displayed
Matti Linkola from Finland (600+)
"These problems were made to be solved"
Martin H. Watson & Alice Laird
Juno's World collection
Chris' Puzzle Boxes
Sandy's Rubik's-type Puzzle Collection
Super 'Thumbnail Index' selection !