expanding problems

My storm id is pink glove 4evr im on level 40 in zoo story 2 the name of my zoo is family of friends my problem is I cant expand anymore exspan dosent show up around the zoo and when I go to the market to expand the exspand space is no longer there can you help me with this problem so I can continue to build my wounderful zoo thanks help soo

Sorry but it sounds like you've reached the max expansion level. When I did this I started putting decorations, paths and low earning pets in storage to make room for better pets.