Bulk Dominoes 143 pcs Kinetic Dominoes Stacking Building Toppling Chain Reaction Dominoes Set for Kids and Creators Large PRO-Scale

is this item comes in a box?

How big are the individual dominoes?(Have children of different ages, don't want choking hazard size dominoes out, but, older children love dominoes!)

Can i use my own regular Domino’s?Domino’s

Can you buy extra dominies to add to this set?