I am trying to build the Balancing Ball snack as an exhibit here in the UK.
As far as I am able to determine, no one in the UK sells a vacuum cleaner
with a powerful blower function. I may well end up having to buy one in the
US and paying postage and packing which will make it rather expensive. This
means I want to be sure that I get the right one. You suggest one like Shop
Vac - could you suggest what model please?
With thanks
John Williams
Head of Science
New Hall School
UK
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