Women's Socks = 380 yen ($3.73 €2.77)
My wife bought her socks for 380 yen ($3.73 €2.77). It includes 3 pairs.
Power strip = 105 yen ($1.03 €0.77)
I bought a small power strip for 105 yen ($1.03 €0.77) at a 100 yen shop. It does not have a cable, just outlets.
Study-aid book of English = 498 yen ($4.87 €3.63)
I bought a study-aid book of English for my daughter. It is about basic sentence patterns of English. It cost 498 yen.