You should have received:
1x Bag1 with PCB abd components
1x Bag2 4x M4 bolts, washers feet and dome nuts.
1x Bag3 7x paxolin case parts.
1x USB A-B lead to power it from a USB port.
1x Power supply (not shown) either a 2-pin USA or 3-pin UK type.
1x IN-1 nixie tube.