This circular puzzle is twice as complex as any regular puzzle and delivers a completely different challenge from every angle.

With colour stripped away, progress depends on form, alignment, and visual logic alone. Each rotation reveals a new monochrome perspective across all 500 pieces, forcing you to rethink what you see and how the puzzle fits together. Intricate, challenging, and deeply satisfying, the Aeternus Aenigma Series Monochromatica is designed to perplex and entertain puzzlers of all ages.

This puzzle consists of 500 lenticular monochrome pieces, each with four visual states.

We offer FREE Standard Shipping on all orders over $85 USD, and FREE Express Shipping on all orders $150 USD and over. Most orders are dispatched the next business day, but please allow extra time during busy periods.

Please note, customers are responsible for any local import taxes, duties, or fees that may be charged by your country upon delivery.

For a full breakdown of our shipping and delivery information, including estimated delivery times and import taxes (VAT), please read our  FAQ.

CMY Cubes are the original designers and makers of all of our CMY products and designs.

Our products are available internationally through the Offical CMY Cubes website and our network of authorised retailers and distributors.

Our guarantee for quality is only valid for CMY Cubes Products purchased directly from CMY Cubes or one of our authorised retailers.

The Original CMY Cubes by CMY Cubes is an official Amazon store that also sells official goods. If purchasing on Amazon, please make sure to check the sellers details thoroughly to ensure you are buying an official CMY Cubes product.

If you have any questions or would like to know more, please read our FAQ.