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. s3oQ( wC %  
E7j9A`  
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? * NdL4c~  
T@j@IEGH  
this is the initial list I am working off: kXW$[R  
PZhpp"  
london Jl{g"N{2u'  
paris T4x[ \v5d  
Rome rNeSg=j  
Venice
Pql;5 ~/  
Florence ? -](3iPy}  
Viena Uc5BNk7<
=  
Prague 8~vE  
Berlin ? b0[H{q-z{X  
Zurich O*PJr[Zou  
Madrid ? v:u=.by99  
Lisbon ? W(jP??up  

GKf%dKL  
too aggressive? CChCxB  
5j# XNc)"  
Thanks in advance