Many kits using clear parts have been released, including clear color kits that are still sold at events and as Gundam Base exclusives, and the solid clear version that has been included in the Gunpla Ichiban Kuji prize lineup in recent years. 
Clear color kits look cool, so in the past I would buy the Seravee Seraphim set (GUNDAM BIG EXPO @Tokyo Big Sight in 2009) and ZZ (GUNDAM SUPER EXPO @Tokyo Dome City Prism Hall in 2010), but the plastic was hard and the inside of the face was not visible through the eyes.

The trick to clear kits is to paint the back and find | アデスの木の枝's Gunpla works