Gundam 1/144 HGBC #003 Build Gundam MK-II Support Unit 1/144 Build Custom Model Kit

Gundam HG Build Custom HGBC #003 Build Gundam MK-II Support Unit 1/144 Model KitThe Build Booster is a backpack attachment that is compatible with many 1/144 HG Gundam model? It can be used on the new Gunplay Build Fighters line of kits or on any other kit