Features three tiers that hold 43 pegs. Covered storage compartment for pegs in center. Pegs are ¼", ½" and 5/8“ (6.4mm, 1.3cm, 1.6cm) in diameter-each diameter comes in two lengths from 1" to 3¾” (2.5 to 9.5cm). All parts are of durable, washable plastic.