Rainbow Loom is a plastic loom used to weave colorful rubber bands into bracelets and charms. The Rainbow Loom is a plastic pegboard measuring 2 inches (*1 mm) by 8 inches (**0 mm). It has push pin-type pegs over which small, colored rubber bands are looped and pulled by a rainbow loom crochet hook. The resulting looped knots, known as Brunnian links, can be assembled on the loom into bracelets and other shapes. The Rainbow Loom kit includes a pegboard, a rainbow loom hook, *4 special C-shaped clips and **0 small rubber bands in assorted colors.