It is recommended to use a good quality sewing thread. Polyester or cotton is best. Older sewing threads may break or the thread may no longer be optimally twisted, resulting in a less than optimal stitch pattern.
Hello, in the shipment we received we only had a manual in Italian and German... but the French version is easily downloadable in pdf on the manuall.fr website
Yes, it has a small starter set with it, just buy thread... I find the price/performance fully ok... has already made many a pair of trousers for my little son