How much is LEGO Robot Inventor worth?
Set 51515-1 · 949 pieces
$639.00
new / sealed
$457.60
used
+78%
vs $359.99 RRP
$0.67
per piece
LEGO Robot Inventor (51515-1) is worth about $639.00 new (or $457.60 used) at current secondary-market prices, up 78% from its $359.99 retail price.
Value history
Value historytracking since Jul 28, 2026
Currently $639.00 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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