Needle and Thread
2 (same sized) drawstring bags
1 garbage bag
9 volt battery
Step 1: Soldering the circuts
Step 2: Assembling
cut off the strings, and solder 4 small holes, 1 for each LED and one to feed the 9v battery attacher through.
then attach your circuit to the bag.
Step 3: Attaching inner layer to middle layer
Put inner bag inside garbage bag, and tape tops together.