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1 He/she will likely be using a step-to pattern in which he/she places both feet on each step. 2  18-20 months-By the time your child is this age, he/she should be able to walk down the stairs as well, placing both feet on each step and using a railing for support.
Each climber must be at least 42 (107 cm) tall and capable of climbing all steps on his or her own. Children 11 years of age or younger must be accompanied by an adult who is 16 years of age or older. No person may be lifted or carried. Running, jumping, or stomping on stairs and landings is prohibited.