There are endless ways to use old things and this is just a seasonal one but pretty good.
If i will be missing words, it maybe because its 1am, and this is my first instructable.
Step 1: Pieces
1. many many many very many, DRAM parts, I used for this one old DDR and DDR2 memory from work
2. You laso will need small DRAMs from laptops and stuff to make the crown of the tree.
3. A old CPU cooler, I used an intel 1156lga cooler
4. A motherboard chip cooler, I took one from an old motherboard we didn't use.
Step 2: Assembly
For the building you need a feeling for motion and gravity, if you are not clever enough like me to use epoxy or some other glue.
Step 3: Problems and Ideas
Without glueing it will sometime result in a crash and I had to build mine like 7 times, so my advice, use glue!
Maybe add some cool lighting to it with a too short RGB led strip for other use or just sparkles. This is very cheap.