Adventure Comics (1938) 356-A

Tales of the Legion of Super-Heroes in "The Five Legion Orphans!"
Five Legionnaires respond to a call on a distant planet, that has been rendered childless by radiation. When they arrive they are exposed to a substance that reverts them to the age of toddlers. They are placed in a orphanage and put up for adoption, until Brainiac 5, devises a way to change them back to teenagers.

An untitled Cap's Hobby Hints page.

Superboy in "Lana Lang and the Legion of Super-Heroes"
Reprinted from Adventure Comics #282.
Lana Lang uses Star Boy in an attempt to get Superboy jealous.