Blackbox.cool, the company partnering with Cyan for Myst 25's Kickstarter reward fulfillment, can ship to many countries.
There are some it's not able to ship to, though, for a variety of reasons.
Here is a list of countries blackbox.cool CANNOT ship to:
Afghanistan
Brazil
Congo
Cote d'Ivoire (Ivory Coast)
Democratic Republic of Congo
Eritrea
Guinea-Bissau
Haiti
Iran
Iraq
Liberia
Libya
Myanmar (Burma)
North Korea
Russia
Somalia
Sudan
Syria
Ukraine
If your country is on the list above, your Kickstarter Rewards cannot be shipped to it.
And here is the list of countries blackbox.cool CAN ship rewards to:
Albania
Algeria
Andorra
Angola
Antigua
Argentina
Armenia
Aruba
Australia
Austria
Azerbaijan
Bahamas
Bahrain
Bangladesh
Barbados
Barbuda
Belarus
Belgium
Belize
Benin
Bhutan
Bolivia
Bosnia
Botswana
Brunei
Bulgaria
Burkina Faso
Burundi
Cabo Verde Cambodia
Cameroon
Canada
Chad
Chile
China
Colombia
Costa Rica
Croatia
Cyprus
Czech Republic
Denmark
Djibouti
Dominica
Dominican Republic
East Timor
Ecuador
Egypt
El Salvador
Equatorial Guinea
Estonia
Ethiopia
Fiji
Finland
France
Gabon
Gambia
Georgia
Germany
Ghana
Greece
Grenada
Guatemala
Guyana
Honduras
Hong Kong
Hungary
Iceland
India
Indonesia
Ireland
Ireland
Israel
Italy
Jamaica
Japan
Jordan
Kazakhstan
Kenya
Kuwait
Kyrgyzstan
Laos
Latvia
Lebanon
Lesotho
Liechtenstein
Lithuaa
Luxembourg
Macau
Macedonia Madagascar
Malawi
Malaysia
Maldives
Mali
Malta
Marshall Islands Mauritania
Mauritius
Mexico
Micronesia
Moldova
Monaco
Mongolia
Montenegro
Morocco
Mozambique
Namibia
Nepal
Netherlands
New Zealand
Nicaragua
Niger
Nigeria
Norway
Oman
Pakistan
Palau
Palestinian Territories
Panama
Papua New Guinea
Paraguay
Peru
Philippines
Poland
Portugal
Qatar
Romania
Rwanda
Saint Kitts
Saint Lucia
Saint Maarten
Saint Vincent
Samoa
San Marino
Saudi Arabia
Senegal
Serbia
Seychelles
Singapore
Slovakia
Slovenia
South Africa
South Korea
Spain
Sri Lanka
Suriname
Swaziland
Sweden
Switzerland
Taiwan
Tanzania
Thailand
Tobago
Togo
Tonga
Trinidad
Tunisia
Turkey
Turkmenistan
Uganda
United Kingdom
United States
Uruguay
Uzbekistan
Vanuatu
Venezuela
Vietnam
Zambia
Zimbabwe
If your country is on the list above, your Kickstarter Rewards cant be shipped to it.