Halloween is coming up and Disney Junior’s characters are on the hot list for costumes this year!  My girls and I went crazy when we saw the Disney Junior Doc McStuffins Halloween costume display in the toys section at Walmart.  The Doc McStuffins costume is amazing and I grabbed two for Seven and Prynne.  If you love the Doc Mobile pictured above, keep reading for step by step instructions on how to make a DIY Doc McStuffins DocMobile out of a red wagon! They also had all the accessories you could want to go with your Doc McStuffins Halloween costume:  the pink and purple doctor kit bag with all of…