Butterfly Bracelet made with paperclips

Maquina de efectos encadenados 2 TTP

tangram realizado en 1º curso TTP

Paperclip Machine #1

Build Machines Using Paperclips (2)

Build Machines Using Paperclips (1)

Wheels And Axles

Pulleys

more videos about simple machines

Inclined Planes

Levers

What's a Gear to Do?

How to make a toy car from a plastic bottle

Make a toy car from a plastic bottle from Send a Cow on Vimeo.

three-dimension letters by pupils

3ª AB:
 3º C: