Lion 10.7.5 > iLife and its apps (inc. Garageband) missing!

Device: Macbook.

Model: Late-2006

OS: Lion 10.7.5

Updates: Maxed out.

iLife: Missing!

I have fully maxed out all updates on my laptop now, but I bought it off Amazon, and it seems to 'not possess' iLife - or any of the apps iLife naturally includes (such as Garageband) anywhere on the computer! As iLife comes PRE INSTALLED on all MacBooks, I'm finding it very hard to discover a way to 'redownload' it. All I keep coming up with is 'updates' for iLife, which is obviously useless without iLife itself…

So, I'm coming to the forum with it, though this will likely never get read. If it does however, and you possess the knowledge to help me, do! (:

Peace! Maduken x

PS: I DO NOT have any 'start up discs' that it originally came with, as it was second hand, so please don't tell me to run the operating disc as it is not an option.