This article describes the csndsugui toolkit. This software is designed for quick implementation of music and audio activities (applications) on the XO laptop, under the Sugar environment. The text introduces the platform, discussing its basic relevant attributes and the motivation for the toolkit. It follows on by discussing the basic components of the software, the Csound Python API and GTK/sugar. This is complemented by a discussion of the toolkit classes and their elements. The article concludes with some examples and an appreciation of further prospects for the system.