High-speed Racing Cars-WHACK! belongs to the Technician series building block set, the whole set contains 135 block pieces. Lego 42072 was first released in 2018 and was later re-engraved by domestic building block brands such as DECOOL / JiSi, LEPIN, LERI / BELA.
![[View from J friend] Le Hi-Tech Machinery Series 42072 High Speed Racing Cars- Cyclone Impact by BBJ’s gossip](https://amwkejmaio.cloudimg.io/v7/_b4_/upload/favicon/wx.png?width=32)
