How much is LEGO Boomer Bill Barrage Expansion Set worth?

Set 71366-1 · 132 pieces

$20.00

new / sealed

$15.00

used

-33%

vs $29.99 RRP

$0.15

per piece

LEGO Boomer Bill Barrage Expansion Set (71366-1) is worth about $20.00 new (or $15.00 used) at current secondary-market prices, currently 33% below its $29.99 retail price.

Value history

Value historytracking since Jul 28, 2026

Currently $20.00 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 →