Board Thread:Fan-made Contents/@comment-31211271-20170319052009/@comment-34143896-20180303083653

Construction Site unlocks at lvl 25

Rewards: 2500/ 4620/ 7290

Bricks

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Huge Nest unlocks at lvl 30

Rewards: 3780/ 5924/ 8590

Feather

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Colesent express unlocks at lvl 35

Rewards: 4620/ 7290/ 9730

Coal

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Tinkering factory unlocks at lvl 25

Rewards: 5780/ 8620/ 11030

Sprockets

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I think it would be a good idea to have expeditions that give you Ototo materials.