Bird's" custard powder complimentary gift puzzle. This puzzle, produced by Chad Valley in Harborne, England, consists of nine card pieces that form a square. The box features a blue bird carrying two yellow chicks, with the text "A COMPLIMENTRY GIFT" and "BIRD'S" printed on it. The puzzle was a promotional item for Bird's custard powder, a popular British dessert product. The puzzle box also includes the solution leaflet inside the lid. Used and complete See photos for condition