This is an O Scale Monopoly Auto 4-Pack from Lionel. Suitable Durable plastic FEATURES: Compatible with any O scale train equipment Durable plastic construction Windshields and bumpers INCLUDES: One O Scale Monopoly Auto 4-Pack REQUIRES: O Scale train equipment Adult supervision SPECS: Scale: Traditional O gauge Length: 4-3/4" (120.65mm) COMMENTS: Due to small parts that could cause a choking hazard please keep away from children 3 years of age and younger tlc 8/30/12