coca leaves

Im interested on buying coca seeds for fun and collective usage. I found out that this website sells some interesting stuff. I fear about having trouble with the customs ( i live in europe) and have legal problems for just ordering them. Does anybody know any better and safer solution for me? Thanks

Not looking for a link/source, unless thats allowed? (not sure what the rules are here on that) Is it feasible from within the US? I'm aware that the yield is something like 0.5% the mass of dried leaves, but I'm intrigued by the prospect of having such a pure product. Has anybody tried the...