“…However, relatively few studies have examined engineering education at the elementary school age (Purzer, Strobel, & Cardella, 2014). In particular, elementary school engineering education in formal settings has been considered (Aguirre-Muñoz & Pantoya, 2016; Barth, 2013;Jordan & McDaniel, 2014;Koerber, Mayer, Osterhaus, Schwippert, & Sodian, 2015;Lachapelle & Cunningham, 2016;Milto, et al, 2016;Strawhacker, Sullivan, & Portsmore, 2016;Weber, Duncan, Dyehouse, Strobel, & Diefes-Dux, 2011;Wendell & Rogers, 2013;, while informal settings have also been examined (Dalvi & Wendell, 2015;Dorie, Cardella, & Svarovsky, 2015;Frey & Powers, 2012;Portsmore & Swenson, 2012).…”