42103 Dragster was a 225 piece Technic set released in 2020.
Engines ready! Drivers ready! Pull back, release and GO, GO, GO! Dragster racing has to be the ultimate speed challenge, so put your building skills to the test and create this awesome LEGO® Technic™ Dragster car. Just pull back and release to see it speed along. Then lock in the wheelie bar to perform heart-pumping wheelies. Want more action? Rebuild the Dragster into a super-fun pull-back Hot Rod.
Description provided by LEGO©
