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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
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
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
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
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
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