1. Dragster

2. Siege

Challenge to attack a "castle" with turnips. Contestants Team Yellow Team captain Richard Strawberry Keli Monroe Dave Price Expert Don Mansfield Team Orange Team captain Anne Saunders Richard Munson Shen Chiu Expert Paul Harrington

3. Off Road Vehicles

Challenge to build vehicles to compete in a power tug of war. Contestants Team Yellow Team captain Richard Strawberry Keli Monroe Dave Price Expert John Kilgour Team Orange Team captain Anne Saunders Richard Munson Shen Chiu Expert Mark Pacey

4. Sub-Aqua

Challenge to build a diving apparatus to retrieve an underwater treasure. Contestants Team Yellow Team captain Richard Strawberry Keli Monroe Dave Price Expert Russel Mitchell Team Orange Team captain Anne Saunders Richard Munson Shen Chiu Expert Harvey Porrett

5. Powerboats

Challenge to build a powerboat to save their team mates one by one that are stranded on an island. Contestants Team Yellow Team captain Richard Strawberry Keli Monroe Dave Price Expert Lawrence Newing Team Orange Team captain Anne Saunders Richard Munson Shen Chiu Expert Richard Yemm

6. Buggies

Challenge to build an offroad vehicle to race a relay race around a offroad course. Contestants Team Yellow Team captain Richard Strawberry Keli Monroe Dave Price Expert Paul Zuckowskyj Team Orange Team captain Anne Saunders Richard Munson Shen Chiu Expert Mark Muench

7. Rockets

Challenge to build a rocket that can carry snow globe the highest and return it safely. Contestants Team Yellow Team captain Richard Strawberry Keli Monroe Dave Price Expert Richard Osbourne Team Orange Team captain Anne Saunders Richard Munson Shen Chiu Expert Charles Simpson