Building a Bottle lantern.
1. Power brick
2. Pulse brick
3. Motor brick with a long wire LED
3. An empty transparent bottle
HOW TO MAKE IT?
Step 1: Take transparent plastic bottle and fill it with water. Make a tiny hole on the cap of the bottle.
Step 2: Place the long wire LED through the hole, facing the water.
Step 3: Make the following connections,
Step 4: Switch on the Power Brick and place the bottle in a dark room.