In 2015, LEGO released 1 Duplo Cars sets, all of these sets have been retired.
1 set

10600 Classic Race

Theme / Subtheme Duplo / Cars
Year 2015
Pieces 29
Availability Retired
10600 LEGO Duplo Cars Classic Race
Retail $24.99
Value $154.47
Growth  +518.1%
Annual growth 10.0%