Vintage children's plastic Synthetic Shoes (jellies).  Patented.  Made in Italy.  UK children's size 12 (continental size 32). 
Made in Italy, in the early 1980s.  

Condition: Unused vintage shoes, with the original hand-written shop label still attached. They are about 40 years old, and would not last long in normal use, but they might be an interesting "nostalgia" item for a 1980s fashion theme!