laivakello daycare review needed!

we got place in lavaikello daycare ,we visited in evening ,place outside look okay _ any one child going there ,you can write comment in finnish too, i can read perfectly!
our son is 4 year old but he did not speak proper sentance still, so we need to worry!
about staff nd ,her previous daycare on Russian lady was bad behavior with our son .
please comment i really need information i try to add &join fb group hertoniemi parent but still waiting for group admin approval.