This Mould King 10188 STR 13 Formula One engine building set is $34 at AliExpress via promo code “USAFF005”, which is the lowest price we could find by $31. Get free shipping from a U.S. warehouse. The set uses small bricks compatible with Lego and includes a lithium battery that powers functional moving engine parts, aimed at builders ages 14 and up. This deal ends September 7. Buy Now at AliExpress
Features
Building block set modeled after a Formula One racing engine Small building blocks compatible with Lego bricks Powered by a lithium battery for functional moving parts Recommended for builders ages 14 and up Package measures 11.8″ x 8.7″ x 3.1″ and weighs 2.4 lb.
