Source: Ebay.com

Today, I worked on marking the correct measurements for our pieces of wood. I did the same for the trough (water bottle). In all, there are seven pieces of wood needed to make our bubble machine. Next class we hope to drill holes in our disk (CD), as well as cut out all of our wood, glue them together, and attach the disk.

We are still waiting for our ordered materials to get here. These items include the 1000 rpm gear motor, HC-SR501 PIR motion sensor, DC motor, propeller, and 3.7v rechargeable battery.