How much is LEGO Kai's Mech Jet worth?
Set 71707-1 · 226 pieces
$45.95
new / sealed
$33.66
used
+130%
vs $19.99 RRP
$0.20
per piece
LEGO Kai's Mech Jet (71707-1) is worth about $45.95 new (or $33.66 used) at current secondary-market prices, up 130% from its $19.99 retail price.
Value history
Value historytracking since Jul 28, 2026
Currently $45.95 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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