How much is LEGO Space Roller Coaster worth?
Set 31142-1 · 874 pieces
$120.00
new / sealed
$69.99
used
+9%
vs $109.99 RRP
$0.14
per piece
LEGO Space Roller Coaster (31142-1) is worth about $120.00 new (or $69.99 used) at current secondary-market prices, up 9% from its $109.99 retail price.
Value history
Value historytracking since Jul 25, 2026
Currently $120.00 new. We just started tracking this set’s value. The chart fills in as prices are re-checked over the coming weeks.
Track this set’s value
Add it to your collection and we’ll keep its value up to date, free.
Track it free → See offers & detailsBlended secondary-market estimates. Not an appraisal or an offer to buy. Compare with another set → · Value your whole collection → · Most valuable sets →