Thimble, small, bell-shaped implement designed to protect the top of the finger when sewing. Among the earliest known thimbles, dating from before AD 79, were those made of bronze and found at Pompeii and Herculanium. Thimbles can be made from almost any material, but modern ones are almost exclusively produced in plastic or soft metals.

For many years, thimbles have been considered a "collectible" item. They can even be a "cross-collectible" when the theme or composition of the thimble is considered. For example, a thimble in the shape of a rabbit, crafted out of brass might well appeal to collectors of rabbits, brass, and miniatures as well as thimble collectors. There are clubs and newsletters for thimble collectors, and whole catalogs just full of collectible