4417616. FOUR MODELLING ENGINES (4).
To include two Magnum XL engines, and O.S. Max 25 FP example and a ASP FS80AR engine, largest box measures 17cm x 13.5cm x 8.5cm. (4).
Untested and unchecked for completeness, often in used condition with marks and wear, one Magnum XL box is missing it's lid.