My version looks almost the same, but I did that for around... ok, I am not going to write how much did it cost, it is a present!!!
Step 1: The Materials
1. Very strong wood glue
2. A lightbulb holder
3. An electric wire with on/off switch
4. Wood paint (your favourite color)
5. Copal paint
8. Wood screws
Step 2: Cut the Wood and Sand It!
Step 3: Make the Holes
They serve to let the electric wire pass.
Step 4: Paint the Wood
The important thing here is to use some refinishing paint on the coloured paint.
Step 5: Assembly!
You should use both screws and glue to fix the wood pieces.