Trick your brain with this delightful little illusion from a group aptly named Things Made of Cardboard.
Simple yet effective, it’s fun to watch the marbles defy gravity and roll uphill on the ramp.
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Trick your brain with this delightful little illusion from a group aptly named Things Made of Cardboard.
Simple yet effective, it’s fun to watch the marbles defy gravity and roll uphill on the ramp.