Leader Trays 1-8 1p based, are designed for games where leaders are randomly drawn: Sharp Practise, What a Cowboy for example. 

 Made from 2 layers of 2mm MDF the trays are engraved with Leader numbers 1-8

The diameter 4mm drilled base is included which corresponds with a drilled out bottom layer in the tray. Glue in rare earth 2mm magnets ensuring they attract. (not included) 

Please see Leader Trays for models on HORSE pill bases and the "plain" undrilled version of both styles.