The green cups are rests or "shhh" notes. The blue cones are quarter notes. move the cones around the cups to create patterns, then "read" the patterns by clapping and resting to pick up some composition grids and create their own patterns on paper.
Rhythm with Basketball- love this idea! It would also be a great activity if you ever want to do a joint lesson with your gym teacher (we often do that during the end of the year when I get temporarily kicked out of my classroom during SOL testing).