Subgadgets

Question:

I'm trying to put a gadget under another gadget and there are no gadgets to select from in the select field?

Answer: 

Note: if you add "About Us" under "Information" - "About Us" is a subgadget, Information - parental gadget.

Please be sure that you added content in Parental gadgets.
Also please check list of gadgets, you can't use as Parental:

• Youtube
• Go to web
• Stock markets
• Booking
• Live chat
• Share
• Weather
• Photo
• Google Adsense
• Reviews
• FB like
• Mail list