By placing the green screen on the ground it makes it easier to take photos of yourself doing cool skateboard tricks. The other reason to put the green screen on the ground is because it is too big to put upright.
Free Technology for Teachers: Three Free Tools for Creating Stopmotion and Timelapse Videos
So Tomorrow: Green Screen
MakerSpace: Green Screen Photo Booth, app review and tips and tricks — @TLT16 Teen Librarian Toolbox
Teen Librarian Toolbox: Makerspace- Learning to Code in Scratch
» Combining Fandom and Hour of Code at Your Library
LIBRARY AS MAKERSPACE: Adventures in Green Screen
Looking for ways to use the synth kit? See how libraries are embracing the maker music movement and using littleBits to invent their own music.