The 26 piece brightly stained But erfl y teaches children let ers with fun puzzle play. One side of this puzzle teaches upper case let ers and turn it over to learn lower-case. The But erfl y A to Z Puzzle is carefully craf ed & stained with child-safe stains. The But erfl y A to Z Puzzle comes packaged with an easy clean up storage box made from Beech wood. Made from Natural Rubber wood, stained with child safe stains, box made from Beech wood, manufactured in China.