How much is LEGO Dr. Fox Magnifying Machine worth?
Set 40314-1 · 76 pieces
$15.00
new / sealed
$8.27
used
-12%
vs $16.99 RRP
$0.20
per piece
LEGO Dr. Fox Magnifying Machine (40314-1) is worth about $15.00 new (or $8.27 used) at current secondary-market prices, currently 12% below its $16.99 retail price.
Value history
Value historytracking since Jul 30, 2026
Currently $15.00 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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