Bought this shed at Lowes. Assembly was pretty easy. Instructions were only pictures, no words! Timelapse filmed with LaspeIt Pro from the Google play store.
Cinder blocks: http://low.es/2riVC5T
Used an iron rake and a 6′ level to ensure the cinder blocks were even and level on top of the gravel. Might have been easier with a tamper like this: http://low.es/2s2RBiR