I have keys but no locks. I have space but no room. You can enter, but can't go outside. What am I? A keyboard.What can be cracked, made, told, and played? A joke.What has four eyes but can't see? Mississippi.What has a heart that doesn't beat? An artichoke.What has a head, a tail, is brown, and has no legs? A penny.What comes once in a minute, twice in a moment, but never in a thousand years? The letter m.What word is spelled incorrectly in every dictionary? Incorrectly.What can you catch but not throw? A cold.The more you have of it, the less you see. What is it? Darkness.What gets wetter as it dries? A towel.What is always in front of you but can't be seen? The future.What can travel around the world while staying in a corner? A stamp.What runs around the whole yard without moving? A fence.What has a bottom at the top? Your legs.What has a neck but no head? A bottle.What has one eye but can't see? A needle.What has keys but can't open locks? A piano.What has many keys but can't open a single lock? A keyboard.What has cities, but no houses; forests, but no trees; and rivers, but no water? A map.What has a heart but no other organs? A deck of cards.What has teeth but can't chew? A comb.What has a face and two hands but no arms or legs? A clock.What has legs but doesn't walk? A table.What has ears but can't hear? A cornfield.What has keys that open no locks, with space but no room, and you can enter but not go in? A keyboard.What has a thumb and four fingers but is not alive? A glove.What has rivers but no water, cities but no buildings, and forests but no trees? A map.What has a head and a tail but no body? A coin.What has a neck but no head? A bottle.What has many needles but can't sew? A pine tree.