How can my world be a puppet? How can my world be a puppet?

Iron puppet: put an iron block on the ground (not the synthesis table), put another iron block on it, put another iron block around the second iron block, and finally put a pumpkin or pumpkin lantern on the second iron block.

Snow couple: put a snow block on the ground (not the synthetic platform), put another snow block on it, and finally put a pumpkin or pumpkin lantern on the second iron block.