In 2018, LEGO released 2 Creator Modular sets, all of these sets have been retired. For that year, the total price of all retail sets cost $75, today those sets are valued around $112, a growth of 149%.
Most valuable 2018 LEGO Creator Modular set
31081 Modular Skate House $59.03
Highest growth 2018 Creator Modular set
31080 Modular Winter Vacation +49.96%
Theme / Subtheme Creator / Modular
Year 2018
Pieces / Minifigs 374 / 2
Availability Retired
31080 LEGO Creator Modular Winter Vacation
Retail $34.99
Value $52.47
Growth  50.0%
Annual growth 4.4%
Theme / Subtheme Creator / Modular
Year 2018
Pieces / Minifigs 422 / 2
Availability Retired
31081 LEGO Creator Modular Skate House
Retail $39.99
Value $59.03
Growth  47.6%
Annual growth 5.2%