mlp-merch:

The Derpy/Muffins Build-a-Bear Plush is now available on the BaB Website. She’s an online exclusive.

• United States: Derpy Build-a-Bear Plush – $30.00
• United Kingdom: Derpy Build-a-Bear Plush – £23.00

http://www.mlpmerch.com/2015/08/derpymuffins-build-bear-plush-on.html