Letter Box is a very tricky packing puzzle. The 1x2 unit opening restricts the nine identical pieces which fill the 3x3x3 box. With multiple rotations, discovering the level 38 solution (1.2.2.16.4.3.3.4.3) will keep you occupied for some time. This is an excellent design well-suited for the solver seeking a true challenge.We constructed Letter Box from some of our finest wood stock. The solid walnut box shows excellent striping and deep color. Each of the nine pieces was milled from solid sto...

PushPop is a very clever and tricky SD exchange puzzle from Stfan Garcia at IPP42 in Tokyo. There are several stages, steps, and tools in this colorful design.

4L Basket is a packing puzzle designed by Koichi Miura and crafted by MINE. The goal is to pack the 4 L pieces into the basket.

SOLO (in Basket) is a puzzle designed by Koichi Miura and crafted by MINE. The goal is to pack the wood pieces into the wood basket with all pieces completely inside.

Back by popular demand, 4L is one of our favorite designs. This diabolical packing puzzle seems simple, yet the solution is anything but - 4L is FAR trickier than it looks. The goal is to pack the four L-shaped pieces into a very simple box. There are two different types of L pieces (fat and thin) and several possible configurations. The solution is creative and devious and earned Mr. Hashimoto an honorable mention at IPP 2015.Note: this copy has a cosmetic flaw, see attached photo. There is a c...

Stairs Posting is a puzzle designed by Koichi Miura and crafted by MINE. The goal is to pack all 4 pieces completely into the box.

3Lx2 is a packing puzzle designed by Koichi Miura and crafted by MINE. The goal is to pack all 6 pieces completely in the box.

A well-packaged exchange puzzle with multiple challenges. Great intro to cylindrical burrs! The puzzle comes with a printed stand to assist in assembly.

Chiral 2&2 is a packing puzzle designed by Koichi Miura and crafted by MINE. The goal is to pack the four pieces into the box.

Another interesting packing puzzle from the great Koichi Miura!Pack  all 5 L shaped pieces flush with the box

Turning Quarter Hole is a packing puzzle designed by Hajime Katsumoto and crafted by MINE. The goal it to place the 6 pieces inside the box.

LOCK in ROLL is a packing puzzle designed by Taisei Moriya and crafted by MINE. The goal is to pack the 4 padlocks completely inside the cylinder.

P3C is a packing puzzle designed by Yasuhiro Hashimoto and crafted by MINE. The goal is to pack the 6 pieces into the box.