toys Four ninths of a Rubik's Cube Rob Beschizza

puzzles Geode jigsaw puzzles Rusty Blazenhoff

puzzles Zenth is a 3D wooden labyrinth Mark Frauenfelder

puzzles How to fold a fitted sheet Mark Frauenfelder

puzzles Area Mazes – fun puzzles by a master puzzle inventor Mark Frauenfelder

puzzles The Instant Insanity puzzle Mark Frauenfelder

puzzles Look how smoothly this mini-Rubik's Cube turns Mark Frauenfelder

puzzles "Moyu Weilong GTS2" is the best Rubik's Cube Mark Frauenfelder

puzzles Giant jigsaw puzzle took 9 months to complete – watch a timelapse Mark Frauenfelder

puzzles Martin Gardner puzzle: red, white, and blue weights Mark Frauenfelder

puzzles Interview with Adam Rubin, director of puzzles and games for The Art of Play Mark Frauenfelder

puzzles Sphaera – a difficult dexterity puzzle Mark Frauenfelder

puzzles This "simple" nail puzzle has kept me amused for hours Mark Frauenfelder

puzzles Gallery of photos you might not immediately realize all include dildos Rob Beschizza

puzzles Can we wrap a 1x1x1 cube with the blue 3×3 piece of paper, cutting along some edges without disconnecting it? Mark Frauenfelder

puzzles Can you solve the virus riddle? Mark Frauenfelder

puzzles A hat puzzle Mark Frauenfelder

puzzles This man is the master at making hedge mazes David Pescovitz

puzzles Five cool mass-market puzzles Mark Frauenfelder