Non Smoking no pets household, item was never used For University of Regina Elementary Education Mathematics course Colorful and differentiated Magnetic Base Interlock Blocks Set is designed by teachers for the best learning experiences. Easily explain base 10 concepts, place value and develop number sense with colorful magnetic counting blocks Kit Includes: 10 Yellow Base 10 Flats, 20 Yellow Base 10 Rods, 100 Non-Linking Yellow Cubes, 49 Multicolor See-Thru Pattern Blocks, 80 Multicolor Plastic Desi Rods and 100 Multicolor 2 cm interlocking Hex-A-Link Cubes. New from U of R - $30.00 www.si-manufacturing.com