Take your math lessons to new heights with this math discovery super set. All material is translucent to be used at the desk, or on a light panel. Includes two types of counters (200 acrylic jewels and 200 rounded glass gems), thirty piece set of attribute blocks, forty piece transparent geo-solids, jumbo see-thru numbers 0-9 and three transparent sorting trays (Venn Diagram, web tray and bar chart) all stored in a reusable storage bin. Light panel not included. Grade K .