Tambola Housie, product type: kukuba special, product class: Pick Me kukuba

Along with general Cue numbers, special row of cue numbers is also present. The cue numbers from special row can be used to replace existing cues in normal grid. Like a number is called by host which is present in Pick up/special row, then player can pick/replace that special row number with any number (of same column) which is yet to be striked to complete and win some dividend.
Consider this special row numbers similar to joker of playing cards.

Some rules can be implemented like maximum of 5 numbers can be replaced.