Official list of items to get for extra credits:
1. Kanto Box 3
2. Johto Box 3
3. Mewtwo's Island Ticket
4. Key to the Ultra Wormhole
5. Held item (additional)
6. Held item (additional)
7. Outfit (summer - bikini/swimming trunks)
8. Sport balls with rate 5.5-6.0 obtainable only from this event
9. Addon for wobbuffet with a baby in the stroller
1. Kanto Box 3
2. Johto Box 3
3. Mewtwo's Island Ticket
4. Key to the Ultra Wormhole
5. Held item (additional)
6. Held item (additional)
7. Outfit (summer - bikini/swimming trunks)
8. Sport balls with rate 5.5-6.0 obtainable only from this event
9. Addon for wobbuffet with a baby in the stroller