replica. Properly, a replica is an exact copy, built to the same scale as the original and using the same materials. To use the word when you might better use 'model', 'miniature', 'copy' or 'reproduction' devalues it, as here: 'Using nothing but plastic Lego toy bricks, they have painstakingly reconstructed replicas of some of the world's most famous landmarks' {Sunday Times}.
( Bill Bryson )
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