Our first group of Baby Shocks were perfect for Levi's learning to walk. They always stayed on his feet and had great non slip strips on the soles that gripped every surface. They made a huge difference in his ability to move about the house. We just had a few pairs of the smallest size for that beginning walking phase, which was perfect, but now, at 15 months, he'll soon be moving into the larger ones. I ordered the 6 pack so that we could keep a set at gramma's house and several at home, alway...