Professor Brainstorm Word Challenge Card Game: Terra Expansion Set

Inside are 25 cards from the Kingdom of Terra, the Earth-like land where Dinkees polish the precious energems under the hade of the huge Dinkoia Tree and the Knights o Terra protect all living creatures.

—description from the back of the box

The set actually has 26 cards -- 16 blue (consonants) and 10 orange (vowels and effects) -- plus a rules card and a card about their website.

—user summary