Sulfur slime block and magma cream block

You can craft magma cream block. Magma cream blocks working how slime blocks but not slow down you and if you fall on it you will not take damage but will not bounce. Sulfur slime balls are drop from sulfur cubes.  And you can craft sulfur slime block. If you fall on sulfur slime block you will bounce how a sulfur cube with a block that is under the sulfur slime block. And if you walk on sulfur slime block you slide how a sulfur cube with a block that is under the sulfur slime block.