If it's your first time here, make sure to check out the BEFORE YOU BEGIN items.
You should be able to open this up, figure out how it works and have fun with this. There are lots of online "toys" that are actually worth playing with just for the experience, they'll give you ideas.
This category is for things that may take a little learning but don't need lots of effort.
These items will require some studying but are worth the time. You can watch a few YouTube videos to get to grips with it, right?