RIDDLES

Pennies on tables (new)
Give me a hand (new)
Year today, gone tomorrow? (new)
The Mathematician and the Pea  (new)
What's my card?  (new)
How can you guess that         
Bridge Over Troubled Students
A Penny for Your Thoughts
Taxing Your Monetary Skills
C is for Cookie
Chess Problem
Sum Things are Products of Bad Minds
Hat's Off
Fun with Geometry
Fun with Geometry II
Mad as a Hatter
Don't Flip Out
Don't Flip Out, SQUARE!
Gonna Make your Brown Eyes Blue
PRIMEary Colours
I'll Cross That Moat
Unusual Suspects
FRUITful Problem
Legal 21, Officer
Strawberry Fields Forever
Great EXPectations 
Safe Generals
General Code
Row, Row, Row Your Trees
Three Hats and a Strange Probability
Don't Hold Your Horses: Race 'em! You're Caught -- Stop Wining
How to pick up money
Tiling Rectangular Boxes
Is this seat taken?
Pick up sticks
You Light Up For Life
Other Riddles