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For instance , Toyota Motor Corp. ' s 200-kg i-foot , which looks like a futuristic chair supported by a pair of legs , walks and climbs stairs , but the wearer has to weigh less than 60 kg . They will experience life , play - a lot - run round in the fresh air and climb trees . The course is three weeks long with emphasis on mobility in mountainous terrain , rappelling , and climbing skills . In cities , the addition of an electric motor and light-weight battery system can add to safety at startup and climbing hills . As his mother , Gyutrulma lay sleeping she had a dream that a white elephant , shining with a glorious light , was within her womb and she flew through the sky and climbed mountains .