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

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...

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.

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.

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.