Rabbit 'Nundrum

Puzzle|Hint|Solution|Stats
This was a physical puzzle. In addition to the plush rabbits (below), solvers received a series of documents, which you can access here.
A set of six rabbits, with colors (left to right) blue, brown, green, pink, purple, white. They have the letters E, S, A, R, D, R on their fronts (left to right).A set of six rabbits, with colors (left to right) blue, brown, green, pink, purple, white. They have the letters R, T, N, H, R, I on their backs (left to right).

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