Pisa PublisherEdition Naef AGPublication Year1997AuthorAntal KelleVersionEdition Naef AG First Edition 1997 Pisa - Box FrontPisa - Box BackPisa - Base BoardPisa - Wrong BendingPisa - The Four SymbolsPisa - Wobble TowerPisa - Game DicePisa - Wibble WobblePisa - Tower PiecesPisa - Tower BasesPisa - Tower BasePisa - Tilting ColumnsPisa - Symbols And AnglesPisa - A Straight TowerPisa - A Leaning TowerPisa - Game EndPisa - Edition Naf LogoPisa - Close UpPisa - Instructions For Building A TowerPisa - Box Contents