Sabotage, such as tripping competitors, throwing marbles or large obstacles in their paths, and the spreading of misinformation such as false route information, is common.
en.wikipedia.org In its most solid forms it has also been used for paperweights, marbles, and beads.
en.wikipedia.org All the players stand about 2 to 3 meters away from the marbles placed on the bisected line.
en.wikipedia.org For example, many metamorphic limestones, marbles, and calc-schists, with crystalline dolomites, contain silicate minerals such as mica, tremolite, diopside, scapolite, quartz and feldspar.
en.wikipedia.org He was actively searching out marbles, bronzes, coins and engraved gems as early as 1335, according to his surviving wish list.
en.wikipedia.org