How To Make Your Room Like Mie Blocks?

I Really Love Her Room, And I Want To Recreate It, What Do I Need To Make My Room Similar To Hers, My Room Isn't As Big As Her's But Its Not Very Small. And Wheres A Good Place To Get The Stuff? And In The Book She Always Talks About A Lip Gloss Called Glossip Girl, Obviously This Lip Gloss Doesn't Exist, But Whats One Similar, With Alot Of Different Flavours??