How much is LEGO Emmet's Triple-Decker Couch Mech worth?

Set 70842-1 · 312 pieces

$57.00

new / sealed

$43.33

used

+90%

vs $29.99 RRP

$0.18

per piece

LEGO Emmet's Triple-Decker Couch Mech (70842-1) is worth about $57.00 new (or $43.33 used) at current secondary-market prices, up 90% from its $29.99 retail price.

Value history

Value historytracking since Jul 29, 2026

Currently $57.00 new. We just started tracking this set’s value. The chart fills in as prices are re-checked over the coming weeks.

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Blended secondary-market estimates. Not an appraisal or an offer to buy. Compare with another set → · Value your whole collection → · Most valuable sets →