here is a little guide of how to build the SIZZA!
here is a guideline-video of MechaBunny being built:
(pt.2 here: http://youtu.be/Ch4VTDgwEEw)
here you have a video of a paper cactus friend being build:
just one last advice for all the toys: you get the best result when using a paper that is at least 160 g/m² (not too thick though either), on those you should cut lightly along the folding-lines, but don’t do that on regular copy-paper!