oil

https://i0.wp.com/www.homeschoolmomgineer.com/wp-content/uploads/2018/03/instruction-manual.png?fit=940%2C788&ssl=1 https://i0.wp.com/www.homeschoolmomgineer.com/wp-content/uploads/2018/03/oil.png?fit=1024%2C512&ssl=1 https://i0.wp.com/www.homeschoolmomgineer.com/wp-content/uploads/2018/03/Troubleshooting-your-Bot.png?fit=683%2C1024&ssl=1 https://i0.wp.com/www.homeschoolmomgineer.com/wp-content/uploads/2018/03/Troubleshooting-Your-Robot.jpg?fit=1024%2C768&ssl=1