| Problems presented | Grade | Role |
|---|---|---|
| 10. Light-driven vehicle | 7.00 | reporter |
| 1. Handy glider | 5.75 | reporter |
| 9. Water trail | 6.75 | reporter |
| 3. LEGO Tower | 7.00 | reporter |
| 5. Popcorn | 7.00 | opponent |
| 6. Electro-hydro entanglement | 6.25 | opponent |
| 8. Nail it! | 8.00 | opponent |
| 15. Tea with honey | 7.00 | opponent |
| 11. Walking chain | 7.50 | reviewer |
| 3. LEGO Tower | 8.00 | reviewer |
| 1. Handy glider | 7.75 | reviewer |
| 5. Popcorn | 7.00 | reviewer |