On 3 August 2026, the release of Vehicles Coloring Book: 40 Busy Farm Vehicles expanded Althea Group Co., Ltd.’s children’s coloring-book collection to three titles available on Amazon. The books are designed and published by Althea Group for ages 4–8 and distributed through Amazon KDP.
The first three books
- Cute Vehicles Coloring Book — available from 23 July 2026. View Cute Vehicles Coloring Book on Amazon
- Construction Vehicles Coloring Book — available from 1 August 2026. View Construction Vehicles Coloring Book on Amazon
- Vehicles Coloring Book: 40 Busy Farm Vehicles — available from 3 August 2026. View Vehicles Coloring Book: 40 Busy Farm Vehicles on Amazon
The collection reached three released titles following the releases of Cute Vehicles on 23 July and Construction Vehicles on 1 August 2026.