These products of Hakone are exquisitely designed wooden boxes with inlaid intricate images in complex patterns that mask the secret panels that are the key to eventually gaining access to the contents inside.
Two other real-world, professional demos include a 3D training and simulation app that trains welders, and a practice and assessment application, created by a facial reconstruction doctor, which uses the 3D app to prepare for highly complex, intricate surgeries he plans to perform.