Japan had been suffering from over population of senior group, however they did have a lot of innovated design to facilitate the growing elderly. The AI-WALK® design by Heartwork. The concept is targeting in the seniors, but could also used by other age range too. AI-WALK work as the walking stick, and also provided the user an extra hand with their carry bag, the body is simply structure and with the portable weight. The product it won a “Good Design” prize. It does not take up much room for storage. Body weight is only 1.3 kg. Soft wheels made from EVA move smoothly without scraching floor in home. The walker assistant is available for about 144$ at the link below.