Answer:
I go up and down at the same time. Up towards to sky and down towards the ground
I have keys but no locks. I have space but no room. You can enter but can't go outside. What am I?
I can be found after you remove 6 letters from BSAINXLEATNTEARS
What gets sharper the more you use it?
I walk on 4 legs in the morning, 2 legs at noon, and 3 legs at night. What am I?
What made Cyclops quit teaching?