Just for fun, I made a video on one of my favorite Chinese New Year traditions:
The gift giving and receiving of Red Envelopes (pockets) which contain cash. The Red Envelopes known as 紅包 (Hóng bāo) in Mandarin are found in different sizes for fitting cash and usually come in red and gold colors.
Some interesting common practices with this tradition:
Where to buy?
Usually you can get Red Envelopes at Asian supermarkets, but you can also buy them online too (they are fairly inexpensive).
Here's a DIY Red Envelope Template. <--- Click to download the PDF file.