Well here is an instructable showing you how to build a Wii controller and nunchuck stand.
Its pretty handy I use it so It must be good.
parts list by nastan:
Light Grey: 3
Step 1: First Step
you need the nintendo wii and 1to 4 controllers of each kind
1. build thees
2. take one A and all the Cs ,and put them together like this
3. take all the Bs and put them together like this
4. put the last A on like the other one
Step 2: The Last Step
Ok all you have to do is take a wii remote and space all the slots out with it ; its best to do it from left to right or from right to left also check if the nunchuck fits