Diy cardboard engine four pistons engine motor machine toy

homemade four stroke, two stroke engine with four pistons and four valves made from cardboard, wooden lollipop sticks, hot glue, bearings and dc motor.

? how to wire dc motors: https://youtu.be/z0oIeUU4aWY

? SUBSCRIBE ▶http://www.youtube.com/c/QuickOverviewChannel?sub_confirmation=1

FOLLOW US ON:

? Facebook:
https://www.facebook.com/quickoverview/

? Pinterest:
https://www.pinterest.com/quickoverview/

? Google+:
https://plus.google.com/+QuickOverviewChannel

? Twitter: