Go Go Mongo! Limited Edition Plush Toy Get your 3″ Go Go Mongo! Plush toy today! We are doing a limited edition run of only 1000 pieces, and this is surely going to be a collector’s item! The cute and cuddly Mongo has a backpack loop behind his head so you can easily hang it on a kid’s backpack. Price includes FREE Shipping and Handling anywhere in the US. Only $3.99!