Zirk is guiding you and says: A bridge can be raised or lowered, and a signal lamp cycles through states. Choose the safe route and the right signal for each condition.. The robot's gestures and speech bubble accompany the readable lesson text.

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Zirk learning route

Step 1 of 5

Transmission

Zirk is speaking

A bridge can be raised or lowered, and a signal lamp cycles through states

A bridge can be raised or lowered, and a signal lamp cycles through states. Choose the safe route and the right signal for each condition.

Zirk and Scout prepare the learner for the 3.1 and 3.2 mission.

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