Riddle: What has a bottom at the top, but never takes a seat?

Riddle

what-has-keys-but-cant-open-locks-has-space-but-no-room-aaa011

Riddle

what-has-a-tongue-that-cant-taste-a-nose-that-cant

Riddle

i-have-a-face-that-never-frowns-numbers-that-never

Riddle

what-has-keys-that-open-no-doors-a-space-that-holds-no

Riddle

i-can-be-cracked-made-told-and-played-what-am-i