Fischertechniks - APPB Learning
http://www.fischertechnik.de/en/index.aspx
Needed tools for activities-based, project-based, and problem-based learning (APPB-learning) in the PLTW curriculum

http://www.fischertechnik.de/en/index.aspx
Needed tools for activities-based, project-based, and problem-based learning (APPB-learning) in the PLTW curriculum