The legs and torso aren't that difficult to make.
1-4 this is the leg both legs are the same so build it twice
5 these are your finished legs the red connectors are the back of the legs and the white rods on the white connector should face each other like they do in the picture.
6-8 this piece looks the same from both sides. to create this you need 12 of those black connectors i mentioned in the earlier steps.
9 connect the top white connector into the blue connector on both sides and the other white rods should just have the very ends into that black connectors and the bottom this is for stability so the legs don't wobble from all the weight thats going to be put onto this thing.
10 the legs and torso should look like this