These are generally the first two publications for your "Contemporaryý Pračlovek" series (Contemporary Caveman). The most crucial plan was to depict caveman drawings in a very simple way and products which were used at that time... and also inside our days. The primary one — “Kuchyňa Pračloveka” (Caveman's Kitchen area) https://maplepublishers.com/blog/category/blog/page/4/