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. v#0F1a?]D  
R''nZ/R  
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? \ZX5dFu0  
1rKKph  
this is the initial list I am working off: g@wF2=  
eQu%TZ(x-$  
london T]Z|Wq`bot  
paris  N-`Vb0;N  
Rome gF-<%<RV  
Venice #"-?+F=rk  
Florence ? >/mi#Y6  
Viena h6<abT@I  
Prague 0D/u`-  
Berlin ? {*,~,iq  
Zurich BZejqDr*  
Madrid ? c[\ :^w^I6  
Lisbon ? Oo|*q+{  
|x@)%QeC  
too aggressive? Hy^Em  
v,y nz'>)  
Thanks in advance