My hand made copy of the secret base puzzle box by Hiroshi Iwahara.brThis version of the Secret Base Box was released by the Karakuri Group in 2012. One of our favorites, we will show only a partial opening of this Trick Box.brThe Flashlight Japanese Puzzle Box was designed by Shoka Handan and produced by Hiroshi Iwahara. Entered into the 2011 Karakuri Idea Contestc this .brView the very beautiful Pineapple Japanese Puzzle Box by Hiroshi Iwahara. Movable plates are shifted to unveil the secret compartment. We will show a plate or .