The mailbox is adorable but it breaks fast. We had one and it lasted about 4 months. So now we just have the letters and stamps that velcro together.
The pieces of wood in between the mailbox slots break very easily and we had to throw the mailbox out after it became a safety hazard. I emailed M&D but they never responded.
We also have the Deluxe Magic set here and that's held up well for a few years now. My kids of all ages have had a blast with all the different pieces of that.
We have a bunch of Melissa and Doug toys here and they tend to either last a long time or fall apart quickly. Unfortunately, we've had quite a few things fall apart quickly.