You do not have a link list with a handle set to dev-build-a-bundle, or you do and it's empty. Go ahead and create a link list called [Dev] build-a-bundle on your Navigation page and populate that link list with links that point to collections, to see collections listed here. Make sure the link list also has a handle set to dev-build-a-bundle.

[{"currency_code": "€-EUR", "country": "none", "continent": "EU"},{"currency_code": "$-USD", "country": "US", "continent": "none"},{"currency_code": "$-CAD", "country": "CA", "continent": "none"},{"currency_code": "$-AUD", "country": "AU", "continent": "none"},{"currency_code": "¥-JPY", "country": "JP", "continent": "none"},{"currency_code": "CHF", "country": "CH", "continent": "none"}]
Switch to USD ?