Vocabulary consisting only from characters you are able to read
中
なか
inside, middle, amongjlpt5
大の字に
だいのじに
sprawled, spread-eagled, in the shape of the "dai" kanjimix
貝
かい
(1)(uk) Japanese babylon (species of shelled mollusk, Babylonia japonica), Japanese ivory shell, (2)(abbr) spinning top (traditionally made from a Japanese babylon shell)
How big is your 'package'?ai, baka