Help needed! what to see in Europe with kids

I am taking my two daughters to see Europe first time this summer, most likely flying into London and hop on Eurail. two weeks is about what I can afford. 82J0t}
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niy@'  
I have noticed that a number of you are from Europe, can you please offer some suggestions on how best to plan our trip? what will be interesting for girls around 10 years old? wmo'Pl  
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this is the initial list I am working off: ~BS*x+M  
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london {tR=D_5  
paris  _&(ij(H  
Rome :
-"J)^V  
Venice Go`omh b  
Florence ? mnmwO(.  
Viena ziH2<@  
Prague 3sp*.dk  
Berlin ? #mkr]K8A4  
Zurich bq(*r:`"  
Madrid ? Ac7
`nvI=  
Lisbon ? n"FOCcTIs  
X'?v8\mPK  
too aggressive? 6{7O  
f6|3| +  
Thanks in advance