Buy Back Your Time! With The Penny Flick Challenge is a simple yet intriguing experiment that explores the principles of motion, stability, and friction in a playful and interactive manner. This experiment involves placing pennies on an index card and flicking the card in a specific way to observe how many pennies can be placed on the card without causing them to fall off during the flicking motion. The challenge not only provides an opportunity for participants to engage in hands-on physics but