SERGER CENTER. Shown in Brown. The Koala Serger Center is the ideal home for your machine and supplies. Features a lift-up storage compartment with soft-close hinges for thread holders, m agnetic pins and notions. Perfect for your everyday serger needs The Koala Serg. er Center offers a built-in trim bag holder, cord ports, and a knee lift cutout with rounded corners and beveled edges which prevents fabric snags. Model also includes a lift-up storage compartment. Designed to be used with or without casters. Partial assembly required. Available for in-store pickup only.