This case study aimed to cultivate 21st Century competences and skills related to Education 4.0, such as problem-solving, collaboration and autonomy. To this end, unplugged computing activities were performed with 25 students from four rural schools located in Tapajós-Arapiúns (Brazilian Amazon). As part of the methodology, a maze based on Google's Blockly Games tool was produced, inspired by hopscotch, a popular joke among children. After this case study, a qualitative analysis was performed, and it indicates that Unplugged Computing activities instigate students' skills and competences, as autonomy, communication and teamwork. Besides, this methodology proves to be useful for disseminating Education 4.0 concepts, due to its ease of application and low cost, especially in distant places with few resources.