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Compare 42666 vs 42678

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

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

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Comparison of LEGO 42666, 42678
42666 Cat Birthday Party & Tree HouseRemove42678 Pet Accessories VanRemove
ThemeFriendsFriends
US list price$29.99$19.99Lowest
Pieces321Most237
Price per piece9.3¢8.4¢Lowest
Age on the box6+6+
Status on lego.comRetiring soonAvailable nowRetiring soonAvailable now
Retiring soon badge seen sinceOct 10, 2026Oct 10, 2026
Insiders points195130
Product pagelego.comlego.com
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