How much is LEGO Sweet Mayhem's Systar Starship! worth?

Set 70830-1 · 502 pieces

$79.99

new / sealed

$59.99

used

+14%

vs $69.99 RRP

$0.16

per piece

LEGO Sweet Mayhem's Systar Starship! (70830-1) is worth about $79.99 new (or $59.99 used) at current secondary-market prices, up 14% from its $69.99 retail price.

Value history

Value historytracking since Jul 29, 2026

Currently $79.99 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 →