Welcome to the forum, we are not too far appart.
The one at Earth Shine looks good:-
http://www.earthshinedesign.co.uk/index.php?route=product/category&path=35_36
They also have a PDF you can download of experiments.
Welcome to the forum, we are not too far appart.
The one at Earth Shine looks good:-
http://www.earthshinedesign.co.uk/index.php?route=product/category&path=35_36
They also have a PDF you can download of experiments.