Retailer of science and education toys
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Ratings guide
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My son is delighted with the large ball bearings. He loves them.
A very serious company that spend your order in South of France in less than 2 days. A detailled website with instructive videos that allows you to make an efficient choice and achieve funny physics experiment. All the best, Grand illusions !
Absolutely brilliant.
They are large and ball like. :)
