Size is as-packaged, or the diameter of loose marbles. ("D" is the diameter of round items other than marbles.)
: 3x4"
Transparent crystal base with swirls of opaque white, tawny orange and black swirled in and on the marble. 25 glass marbles (one of them is a 1" shooter!) with colorful header card printed with game rules and fun facts. Don't forget something to keep the marbles in!