Create a creature that uses air to create motion with this challenge. Site includes tips, lesson plans, and a place for students to document their design process.

Build a machine that accomplishes a task in an inefficient way with this Rube Goldberg challenge. Find some tips and a place to document your engineering process on this site.

Using cardboard, popsicle sticks, rubber bands, and strings create a pine cone that opens and closes. This site contains lesson plans, tips, and a place for students to document their engineering design process.

Build a zoetrope machine where you can animate a facial expression and the machine plays the animation back with this site. Site contains lesson plans, tips, and a place to document your design process.

Using common household materials students are challenged to make a flying raptor and control its flight with attached strings. Site includes lesson plans, tips, and a place for students to document their process.

SciGirls has the bold goal of changing how millions of girls think about science, technology, engineering and math -- or STEM. Each half-hour episode highlights the processes of science and engineering, following a different group of...