You can’t play with a crab, it falls apart when moving, despite strong magnets. So you can only admire it. The upper part of the black-capped cube head is not fixed – the orange trapezoid has no magnets at the base.
![Nelson Crab Nelson Crab](https://buildkitpedia.com/wp-content/uploads/2023/07/tegucrab.jpg)
You can’t play with a crab, it falls apart when moving, despite strong magnets. So you can only admire it. The upper part of the black-capped cube head is not fixed – the orange trapezoid has no magnets at the base.