The Baby Adventures Action Walker is a baby walker only seen in Diary of a Wimpy Kid: The Third Wheel.
The Baby Adventures Action Walker was the first ever thing Greg as a baby got which was not a hand-me-down from Rodrick. Greg got it in pre-school and Greg loved it so much that it made the other kids in his playgroup jealous.
Susan read in a parenting magazine that baby walkers are not good for little kids as the children don't develop bones for walking correctly so she returned it and Greg was once again struggling to get his first step done.
- Diary of a Wimpy Kid:The Third Wheel (First and only appearance)