The puzzler has broken all the bridges to the North Pole! We need to help to build the bridges over the Arctic waters! Let's do it!
"We have to make sure that it is straight so the train can go straight across." (Oscar)
"That's not right, it's fallen in the water." (Ruby)
"We can test it with a car now to see if it can go straight over and not fall in the water!" (Archie)