These are some reccomendations for guinea pig supplies. Hopefully this will make your search for supplies easier, whether you buy these products or they give you ideas. 

*This is not an advertisement for any of these products, it is simply a list of some products I found that are good for hamsters. 

Click on underlined words for links! 

Cages 

Guinea Pig 8 Sq Ft Enclosure 

Storage Grids 

Water Resistant Table Cloth 

Hides 

Fabric Tunnel Hide 

Fabric Hide 

Log Tunnel Hide 

Fabric Hideaway Corner 

Wooden Hide House 

Grass Hide House 

Food & Water Containers 

Kaytee Water Bottle

Water Bottle with Stand  

Visually Stimulating Hay Feeder 

Food Bowl 

Food Puzzle (for enrichment) 

Chews 

Pack of Various Chews 

Apple Wood Chews 

Hanging Chews 

Sphere Chews 

Various Chews 

Hay 

Timothy Hay 

Food 

Vitamin C Drops for Water