Did you know that you can build an exploding chain reaction by weaving together popsicle sticks or craft sticks? The chain stays together as long as you hold down the end that you are building … (not sure why this is "for boys")
Good idea for a student teacher! Teacher's survival kit: Animal cookies for when your classroom seems like a zoo. Band Aids for when things get a little rough. Chewing Gum to help you stick to it. Crayons to color your day bright and cheerful, and more.
lots of good paper mache info here: "A few months ago I developed a new recipe for a sculptural material I call “paper mache clay.” This material is so easy to use and so easy to make that I now use it exclusively for all my paper mache sculptures.