Josh shows the children how to make the battery
DAD shows the children how to make the battery
Josh made the boat
RAVI made the boat
The children think and think and finally, Lily has an idea
The children think and think and finally, JOSH has an idea
Ravi brings four batteries for the boat
Ravi brings THREE batteries for the boat
The sail helps the boat move
The sail DOESN'T HELP the boat move
The children take their boat to the airport
The children take their boat to the HARBOUR
The battery is made of oranges
The battery is made of LEMONS
Ravi isn't good at making machines
Ravi IS BRILLIANT at making machines
The children win the race
The children DON'T WIN the race
The childrens' boat is blue
The chidlrens' boat is RED
It's a windy day
It ISN'T a windy day
The lemons are joined together with spaghetti
The lemons are joined together with WIRE