“…The reviewed literature has shown that there are many studies on the twenty-first-century skills, STEM and design thinking (Akgündüz & Akpınar, 2018 ; Dinler, Simsar & Yalçın, 2021 ; Menial & Leifer, 2011 ; Uluyol & Eryılmaz, 2015 ; Yalçın & Erden, 2021 ; Yalçın & Öztürk, 2022 ; Yalçın, 2020 ). The given studies reported that STEM activities increased the frequency of asking questions (Haden et al, 2014 ) and developed self-efficacy, interest in science, spatial visualization and mental rotation skills (Lamb et al, 2015 ), besides developing goal-oriented design, problem-solving thinking, innovation, pattern repetition and design testing skills (Bagiati & Evangelou, 2016 ).…”