Skip to main content

Halloween season: before the holiday rush, check the Retiring soon tracker

Black Friday to Cyber Monday: sets lego.com shows below list price

Holiday shopping: narrow it down with the gift finder

New year, new wave: release dates on the set calendar

Valentine's week: flowers that last, browse the Botanicals sets

Summer wave: the latest new-set guides

BrickWatchlist

Compare 71839 vs 71780 vs 71829

Up to 3 sets side by side: US list price, pieces, price per piece, age, lego.com status and Insiders points. Data from lego.com, checked .

Set numbers

Clear all

The set number is the 4 to 7 digit number on the box and on the lego.com product page.

Side by side

3 sets, best value of each row marked

Comparison of LEGO 71839, 71780, 71829
71839 Arin's Spinjitzu Battle MechRemove71780 Kai’s Ninja Race Car EVORemove71829 Lloyd's Green Forest DragonRemove
ThemeNINJAGONINJAGONINJAGO
US list price$22.99$9.99Lowest$19.99
Pieces213Most94128
Price per piece10.8¢10.6¢Lowest15.6¢
Age on the box7+6+6+
Status on lego.comRetiring soonWill ship in 60 daysRetiring soonWill ship in 60 daysRetiring soonWill ship in 60 days
Retiring soon badge seen sinceOct 10, 2026Oct 10, 2026Oct 10, 2026
Insiders points14965130
Product pagelego.comlego.comlego.com
Checked