The lever wrapped in leather is beneath the wooden lever
And the lever wrapped in paper is between the stone and bone.
If the clay's beside the brass, and below one made of glass,
And the lever wrapped in cloth is right above one wrapped in grass,
And the iron's in the center, and the bone is on the right,
And the lever painted black is left of one that's painted white...
If the bone and stone and clay are not adorned in any way,
And the paint is at the top, and the white's above the cloth,
And the brass is at the bottom, and the stone's beside the brass,
And the lever wrapped in leather is the lever made of glass,
Then a king will know the answer, for a king is very clever.
Two levers here are made of gold, so pull the two gold levers!
Hint #1
Iron is in the center, and Bone is one of the three right squares.
Hint #2
Brass is on the bottom, and is directly adjacent to both Stone and Clay, so brass is bottom middle.
Hint #3
There’s a vertical line of White paint, Cloth, and Grass wrapping.
Hint #4
Bone, Stone, and Clay aren’t wrapped, but there’s a vertical line of three wraps. So, the top middle is painted White, the Iron is wrapped in Cloth, and the Brass is wrapped in Grass.
Hint #5
The top left is painted Black
Hint #6
Since Bone is unwrapped, the left column is Wood painted Black, Glass wrapped in Leather, and Clay.
Hint #7
The bottom right is Stone
Hint #8
The top right is Bone, and the lever underneath is is wrapped in paper.
Hint #9
The two levers of unknown material that are left are gold.
Answer
The two gold levers are top middle, painted White, and middle right, wrapped in Paper.
Hints and answer source: user Boredgeouis on the Reddit riddle thread
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