But soon the number of people who wanted Little Bundies was bigger than the number she could make, so Luisa decided to ask well-known businessman Sir Richard Branson for some top tips.
He suggested setting up a company to help meet the demand, so that's what happened, and now Luisa's mum works for her company!
The toys are "magical"
The toys are now being made by two other companies, and not by Luisa, with some of them being sold in Hamleys from March 2004.
The boss of one of those companies, Linda Osborne, said: "They're magical. That they've been created by a 15-year-old is unbelievable."
Hear story
Chat about what's in the news
I road tested this year's new toys!
