What are "eggs"?

[Miss_Tisa]

When I check my BTB,I see:
650 bells
0 eggs
What are eggs?Thank you in advance.

 

[Justin]

Leftover currency from our special Easter event back in April.

 

[Miss_Tisa]

Thank you for clearing that up!

 

[Jeremy]

Where do you see that though?

 

[Danielkang2]

Jeremy when you go to shop under your btb amount it says eggs. http://www.belltreeforums.com/vbshop.php

 

[Hoppy~Shnell]

Where do you see that though?