Didax Educational Resources Unifix Graphing Base<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>For grades 1-5</li><li>Unique resource using unifix cubes</li><li>Create clever graphs!</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51B87o6AXOL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/316i-BoQeqL.jpg" noproxy>