The Australian version of DB4510K and D12.513K were printed with Age 5+ on the packaging, while the UK, Germany and China version all printed with Age 3+.

We had written to Oral-B Australia, and get the following reply.

The official age group recommended by Oral-B for children’s electric toothbrush are as follow:

Oral-B had clarified that their range age is from 3+ through 6 years old, there is no individual product for Age 3, 4, 5 or 6 years old.