The Smithsonian Institution Libraries have a unique trade catalog collection that includes Vegetables Seed, dating back to 1830 documenting the history of agricultural seeds. Strong high-quality puzzle pieces. Made from recycled board and printed with vegetable based ink. This superior quality puzzle will delight and educate all at the same time. For ages 9 and up. WARNING: CHOKING HAZARD - Small Parts. Not for children under 3yrs.