The Duke and Duchess of Cambridge's baby is due soon and souvenir makers are getting ready for some big business!
For every big royal event there are always a lot of souvenirs: plates, mugs, tea towels - the list is endless.
So it's no surprise that factories are already making items to commemorate the birth.
It's reckoned baby fever could bring in as much as £240 million to the UK as people celebrate this summer.
Leah's been to see some of the baby souvenirs being made...