Her drawings speak of her love of nature and detail. The Marjolein Bastin calendar for two 2025 features small vignettes from Vera the Mouse's "Mum." Complete with school holidays and an outlook for January to March 2026, this practical wall calendar for two is in a long format of 16 x 34.7 cm. Bring a piece of nature into your home with this wall planner for couples by Marjolein Bastin. These nature-themed calendars from Heye by Athesia Kalenderverlag make great gift ideas for garden owners.