Prepare your kid for a future where robots rule the earth with a pair of these funny kids' socks with robots sending sparks and zaps of energy out of their eyes. Is that a UFO in the sky? Your kid Two sizes fit kids ages 3 to 6 (shoe sizes 8 to 13) or 7 to 10 (shoe sizes 1 to 5). 67% cotton, 30% polyester, 2% spandex, 1% nylon. Made in Korea.