I need a tri-fold sales flyer completing

We need a brochure completing after it has been left unfinished - the flyer's target market are builders merchants as we sell an e-commerce platform specifically aimed at them. We have the concept and the words sorted but there is a final graphic concept (using Lego!!!) that needs completing along with general finishing off to get ready for print. Full explanation of what we're trying to achieve in attachment along with the semi-complete flyer