http://www.experciencia.com/proyecto-de-ingenieria-para-ninos/

http://auladetecnologias.blogspot.com.co/2009/04/construccion-de-estructuras-i-con-papel.html

https://www.youtube.com/watch?v=7whb6ipFQbA

https://www.youtube.com/watch?v=jYMfMCM_5I4- casa para un huevo

https://www.youtube.com/watch?v=Pg5_gjCGxjM

https://www.youtube.com/watch?v=SNG_ysWMqIk-fideos

https://www.youtube.com/watch?v=KxzHW5LtPrk- puentes con fideos