Easiest Iron Farm For (Mcpe) in Minecraft pocket edition 1.21

Easiest Iron Farm in Minecraft
Materials List:-
1) 20 Bed's
2) 40 Stone brick's
3) 20 Villager's
4) 3 Hoper's
5) 3 Sing Board
6) 1 Bucket of lava
7) 1 Bucket of water
8) 24 Stone bricks slap
9) 24 oak leaves
10) fletching table
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