Cat owners who find themselves hiding grubby scratching posts out of sight will love these awesome KATRIS blocks that combine feline fun with playful design. The scratchable, stackable blocks are straight out Tetris – and they can be assembled in a variety of ways to give cats an ever-changing feline playground.

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Featured on an episode of Animal Planet’s “My Cat From Hell”, KATRIS is the result of extensive research into the best materials for feline furniture according to cat behavioral science. Each shred-resistant block is made with 200 sheets of FSC-certified heavy-duty paper, and they can support up to 300 pounds of weight. The blocks can be connected in a variety of ways using built-in straps.

Related: Architects turn a cramped apartment into a gorgeous loft where the owner’s cats can roam freely

The blocks are manufactured using non-toxic ingredients, such as SGS-certified, non-toxic glue and eco-friendly branding ink made with non-toxic soybean inks. Not only is the whole system completely recyclable, but the blocks are designed to have an extremely long life cycle, further minimizing waste.

+ KATRIS Cat

Via Curbed

Images via KATRIS