What you need:
1. Using a red sharpie, trace the shape of a large pomegranate onto the bubble wrap.
2. Cut out the pomegranate and paint it red
3. Hang it on the wall with tape
4. Anytime your child does a mitzvah, they got to pop a bubble on the pomegranate. When they're all popped, they get a reward.
Brings a whole new meaning to the phrase ירבו זכויותינו כרימון!