Four Fit | Brutal 4-Piece Packing tower of hanoi Most packing puzzles use varied

Most packing puzzles use varied shapes to guide the solver toward the solution

You can work your way through the first pieces with patience and logic - and then the final piece arrives and everything you thought you understood gets tested

Andrew Crowell is the world's leading designer of Turning Interlocking Cube puzzles - a format he has made his own through years of obsessive refinement

and now it's your turn to try

GalacTIC is a Turning Interlocking Cube puzzle designed by Andrew Crowell

Four Fit | Brutal 4-Piece Packing tower of hanoi Most packing puzzles use variedThis 4 piece packing puzzle also packs a punch. It took me YEARS to figure it out, and now it's your turn to try. The goal of this classic puzzle is very simple pack the four pieces inside the frame. Think you can do it? What's special about this puzzle? Surprisingly Difficult Hours of Challenging fun Ingenious solution Designed by Stewart Coffin