Build an extreme card sculpture of an awesome racing car with the technokit rivetz racer project first learn how the unique self locking rivetz system works using the rivetz gun then begin assembling the racer by folding and fixing together the pre cut pre printed card shapes just follow the 16 page colour illustrated instruction guide provided to see how its done the plastic rivets are easy to remove so if you make a mistake just take them out and start again the result is a model you