Drying properties of corn starch paste
Corn starch paste will dry transparently, with a slightly warm tint.
You can use it for about a week.
As with all starch pastes, make sure to let it dry completely so it won't attract mold.
You can also look into using rice starch/wheat as a basis, for a more neutral dried colour and increased adhesive strength.
See here for an introduction to the differences between the types of paste.