grown-up toysa collection of rare antique toys amassed by the late millionaire malcom forbes & his son has sold for $2.3 million at sotheby's auction house in new york on friday. the collection included antique toy boats, luxury ships, soldiers, motorcycles & board games. a three-foot long replica of the 1915 ocean liner lusitania went for $194,500, a record auction price for a toy boat. an exotic clockwork gunboat attributed to märklin/rock & graner sold for $134,500, an original monopoly game handmade by charles darrow went for $146,500 & two rare sets of incredibly detailed medieval knights made in the 1930s went for $15,000.