Usually, in difficult levels, hidden things are not liked by players. But, on your easy level - I liked the hidden. It's funny. I like the way you can take the hidden star in the stone house. Thanks
I agree with @Denis Nazin . The hidden part is fun, looking for where the other stars might be. I enjoyed the way B goes in to explore and pops out again. I am sure he's grinning and saying ' I found it!', .