[tps_header]Workout min - 1 hour My all time favorite, so far, the BodyRock workout challenges. It is on the longer side, but these workouts make you feel like the rock star you truly are. Print out the workout.
Building rock tumblers is a project that can help children understand the geological process of the tumbling and smoothing of rocks in water bodies. A homemade rock tumbler is also a creative way of making polished rocks and stones for adornments.