Tower of hanoi is a wooden pyramid puzzle consisting of six disks arranged like a tower with the smallest ring at the top and the biggest ring at the bottom. The task is to transfer all the six disks from one of the three poles to another with one important rule that you can move only one disk at a time and a large disc can never be placed on top of a smaller one. The minimum number of moves for this puzzle ( tower of six disks) is sixty three. This puzzle is suitable for 12 yrs (+) and can be enjoyed by adults as well. It is made by artisans from channapatna using traditional lacware handicraft technique and is coloured with natural dyes. (mo) does not sell its products through other sellers India. Please ensure that you are buying only from and not from any other seller. quality : mo wooden toys are handcrafted by artisans from channapatna using the traditional lacware handicraft technique and are coloured with natural dyes. The toys are made with great attention to quality and safety and mo toys have become a < em> benchmark of quality;/em> for channapatna toys. toy safety: mo toys are 100% Safe for and comply with < em> international toy safety standards ( astm f963 and en71 ) source: is a non-profit company and a social enterprise working to revive the lacware handicraft and to provide the artisans with sustainable livelihoods. Mo follows fair trade practices and is a member of the world fair trade organization. our product range : online product range consists of a) wooden toys - Small toys toddler toys and KDs toys b) montessori educational toys C) wooden home decor products and D) KDs furniture < em> mo toy range.