This is the practise screen presented to participants before they attempt the first trail making test in the online (i.e. web-based) implementation. The touchscreen implementation used the same text and layout of the trail circles but had a different border.

This resource can be downloaded or viewed using the link: hm_trail1_pract.png

If you have wget available (typically on linux systems), then you can also obtain a copy using the command

 wget  -nd  biobank.ndph.ox.ac.uk/ukb/ukb/images/hm_trail1_pract.png