No, you cannot.
Go to the main menu in Tap Town and click on "coins". There you can convert your town bucks into coins. As it is much moe difficult to get bucks than coins it is not recommendated to do so unless absolutely desperate.
999999999
A Hippo does not cost coins. It costs 68 stars per hippo.
Reach level 23 and you can buy the Elephant for 16,500,000 coins
You need to have a Arabian Horse ( costs 400,000 coins) and a Walrus (costs 520 coins ) and i think you need to have 3 stars or 13 stars
You have to buy but if can't then save all your coins then it will convert in to bones
you do not ( you can not do that )
By Buying them :3
buy stuff from the tap store
When you get to level twelve on Tap Zoo you can buy 149 stars if you do not have them already then you will have enough to get a bald eagle they give you 5633 experience each day and 12,116 coins too!
Yes you can tap an iphone but, too hard. It will break if you do that.
Buy a new tap.