Maileg mice are available in 5 sizes. These are:
- Baby: 6.4 cm (best fit furniture: MY)
- Little brother/sister: 10 cm (best fit furniture: Micro)
- Big brother/sister: 13 cm (best fit furniture: Micro)
- Mum/Dad: 15 cm (Best fit furnitureL Micro)
- Grandma/Grandad: 15.2 cm (Best fit furniture: Micro)
Baby mice fit with MY size furniture but generally will also fit Micro. All other mice fit with MICRO furniture best. Micro is slightly larger than MY.