Skip to content

Spatial exercise · ~3 min a run · free

Tube in a Cube

Follow a bent tube through a transparent cube and name the face it exits.

Loading 3D exercise...

A transparent cube holds a bent tube that enters through a marked face and threads its way to an exit. Your task is to follow the tube in three dimensions and name which face it comes out of. The cube can be rotated to help you see, and each puzzle is generated with an exact, single correct exit, so practice builds the three-dimensional path-following that pilots use to picture structures and routes in space.

About this test

What this test measures

Tube in a cube measures three-dimensional spatial integration: the ability to follow a bent path through a solid object in depth and determine where it emerges. It trains the depth-tracking that underpins picturing how routes and structures fit together in three dimensions.

How to improve your score

  • Follow the tube one straight segment at a time and name each move in depth, in, up or right, rather than holding the whole path at once.
  • Rotate the cube a little after the first bend; a second viewpoint usually reveals the rest of the route immediately.
  • On harder tubes, track only the final segment's axis to fix the exit face once you have followed the path that far.

Good to know

  • Technique: track one axis at a time

    Do not try to hold the whole bent path at once. Follow the tube one straight segment at a time and name the direction of each move in depth: in, up, right, and so on. Naming each move keeps you oriented when the tube turns away from you. Rotating the cube a little after the first bend often reveals the rest of the path instantly.

  • Benchmark: what good looks like

    On easy and medium, a strong result is 8 or more correct out of 10. On hard, with up to five segments, consistently scoring 6 or more out of 10 shows reliable 3D tracking. If you struggle on hard, slow down and rotate the cube at each bend rather than trying to solve it from a single fixed view.

Frequently asked questions

What does Tube in a Cube train?

It trains three-dimensional spatial integration: following a path through a solid object and tracking its direction in depth, not just on a flat plane. This is the skill behind picturing how routes, structures, and components fit together in three dimensions, which underpins spatial situational awareness in flight.

How does difficulty change the task?

Easy uses a tube with two segments, so the path is short and simple. Medium uses three segments. Hard uses up to five segments with more changes of direction in depth, which makes the exit much harder to predict without careful three-dimensional tracking.

Does it need special hardware or is it a real test?

It runs in any modern browser using the same 3D engine as the rest of the site, with no plugins. It is an original SkyStudy exercise, not affiliated with or derived from any test publisher, and trains the same 3D spatial skill that some pilot-selection batteries assess.

Training for an airline assessment?

The SkyStudy ATPL question bank is built for EASA ATPL exam preparation, with timed mock exams, spaced repetition and analytics across every subject. Free to start, no card needed.

Start freeTry the live demo

Optional analytics measures site use and campaign visits, with Vercel, Plausible when configured, and Sentry browser error monitoring. Login and security remain available if you reject. Your choice is saved on this device for up to 180 days. Cookie policy.