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Island Bridges

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Include separate answer key

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About this template

Connect numbered islands using straight horizontal or vertical bridges, stopping at the nearest island. Single and double links are pictured; each number counts incident bridges, links may not cross, and all islands must form one network. Starter has five islands; Growing has eight with crossing alternatives to exclude. Each original network has exactly one solution. A separate key draws every bridge.

Suggested ages 8–12 · network constraints

Activity references

Nikoli Hashiwokakero