We talk about merle a lot in this handout, so it seemed. like a good idea to explain what it is (and isnât). The. most important thing to remember is that merle is a. color pattern, not a color by itself. Merle dogs can. come in a variety of colors. The most.
Two years: Toddlers begin walking up and down stairs using a non-alternating stepping pattern with hand held or rail assistance. Three years: Children begin walking up the stairs using an alternating stepping pattern without the handrail and down stairs using a non-alternating stepping pattern. Four years: Children begin walk up and down the stairs using an alternating stepping pattern without support.
They call the next few years the magic years -- partly because it seems like magic that your child is finally listening to you and partly because for your child, it is a time for his or her imagination to run wild. Your 3- to 4-year-old child will continue to grow and develop in many ways in the coming year.- to 4-Year-Old Development: Movement Milestones. Your busy preschooler continues to be on the move. Between or at ages 3 and 4, your child should be able to: 1  Walk up and down stairs, alternating feet -- one foot per step.