Dear everybody, today I found a very nice website that explains many materials we have already at our material room
And the best thing it provides a many how to do by your own pages.
It is free to copy and we can use the pictures for our planned instruction sheets in lao language.
The Math part you can find here:
I am shure this wiki website will help us next time a lot.
For example you can have a look at the thousand chain and you see how nice and easy an instruction can be made on this.