Unfortunately China is the largest item that is currently in the database. I need to improve the response of the site when the expected result doesn't work (as

Unfortunately China is the largest item that is currently in the database. I need to improve the response of the site when the expected result doesn't work (as in, you can't go bigger or smaller, maybe just disable the button in that case). As a side note, to replace the large item you can use 1 of three options: 1) Click on the smaller item 2) Click on the small links on the right hand side 3) Click on either 'Something random' or start typing in the text box I'll see if I can come up with a way of making these options more apparent.