6-12 months will fit a kid's shoe size 2-4
12-24 months will fit a kid's shoe size 3-7
A 3 pair variety pack of science and math socks for your smart kids. One pair of Einstein socks, one pair of planets socks, and one pair of math equation socks. Toddlers learning to crawl or walk will want to keep these colorful, cute socks on their feet!
61% Cotton, 37% Nylon, 2% Spandex; 73% Cotton, 29% Nylon, 2% Spandex