BrickLink - Set 71344-1 : LEGO Fun Pack - The LEGO Batman Movie (Excalibur Batman and Bionic Steed) [Dimensions:Dimensions Wave 8:Super Heroes:The LEGO Batman Movie] - BrickLink Reference Catalog
Best Buy: LEGO Dimensions The LEGO Batman Movie Fun Pack (Excalibur Batman) 1000617904
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LEGO Dimensions Excalibur Batman Minifigure Only 71344 | eBay