We bought a child bike trailer a few weeks ago. Unfortunately I haven't been feeling that well lately so we've only used it once, but Mazy loves to walk around in the house wearing her bike helmet.
Finally we bought Mazy (with the help of Sargent Grandparents) a chair of her own. She kept sitting at the base of the stairs because that was the only thing her size. She reads in her chair all the time. I had to get a sturdy one because she kept falling over in the foam chairs.
Here's a video of a lazy Saturday afternoon. She says "Daddy" at the end