Mineralogy Puzzle - Cavallini Books with a non-stick surface for

with a non-stick surface for added convenience

from conception to completion

Can’t get enough of those crunchy kernels

Made in the USA

flawless finish

Mineralogy Puzzle - Cavallini Books with a non-stick surface forIn the 1760s, mapmakers in Europe created the first jigsaw puzzles by pasting maps onto wood and cutting them into small pieces. Credit goes to John Spilsbury, an engraver and mapmaker, for inventing this entertaining pastime in 1767. Since then, puzzles have been a successful educational tool for both kids and adults. As the mid 1800s approached, jigsaw puzzles gained popularity among adults, making for a perfect break from daily routines and