Sure, I'd be happy to help you with your kinematics problems. There are many resources online where you can find challenging kinematics problems, such as Khan Academy, Physics Classroom, and Physics Forums. You can also try searching for specific topics or concepts within kinematics to find practice problems. Additionally, many textbooks and study guides also have a section dedicated to kinematics problems. I would recommend checking with your school or local library to see if they have any resources available. If you have a specific problem or concept that you need help with, feel free to email me and I will do my best to assist you. Good luck with your studies!