for this instructable you will need.
glue gun or wood glue
3 inch & 2 inch hole drill bit
also a brad tip drill bit.
and some wood big enough for the 3 inch diameter hole drill bit which also should be roughly 1 inch in depth.","
and a clamp,
Step 1: Drilling
after drilling your 3 & 2 inch hole.
you will be left with a nicely rounded block of wood, which most of the time gets stuck inside the drill bit.
after your finished with the drill for now.#
take the drill bit off the drill,
then pry the block out.
Step 2: The Pryed Out Bits
you should have 2 bits like the ones in the pic.
never mind my piece that looks like a child got hold of it and scribbled over it ","
Step 3: Glue Time
now after finding where you want to position the smaller of the 2.
once found glue them .
then clamp them until they bond","
Step 4: Bonding
once the 2 have bonded nicely.
find the drill brad point that you want to use .
obviously not to big,or you will end up with a deranged piece
Step 5: Drilling Once Again
now you have your chosen drill bit.
start drilling holes say every 1 to 2 cm apart.
do this all the way round then start on the top. ","
Step 6: Wala ,
now you can start putting your bits onto your tower.
and once its filled you can add more tiers .
and that is that .
hope you all have a great day and best wishes to you all.