Anybody wondering about the interview process, after you've applied on the internet and you meet their requirements you can expect a 20 minute interview over the phone. This consists of a mix of questions about yourself and scenarios (e.g. what would you do if you were making a display on your own and were unsure of how to continue?). If they like you you will be asked to attend a recruitment day which lasts for just over 2 hours.
For the day you will be asked to build a tower with the other interviewees out of bits and bobs lying around. This is to test your team and communication skills so just make sure you are always asking if everyone is alright, is happy with what you are doing, has thought about doing such and such...
Then you have to pick a product, find out from the packaging what you can for 5 minutes and then sell it to a member of staff assessing you and everyone else. Make sure you make eye contact and speak slowly whilst doing this.
The last task is going onto the shop floor with a member of staff and asking customers if you can help them. If they d have a question you can just ask the person assessing you their query as chances are, you wont know.
If after all this, they like you, you will be asked to have a second interview there and then. Here they ask you question more about yourself, in an attempt to find out how you would best work in a team (e.g. what would you bring to the team, when have you ever had to resolve a problem).
I then got a call a few hours after telling me I had the job but they said I would hear back in a day or two.
Make sure you sound and appear confident and do your research. I was by far the youngest person there (17) and got the job.