Students develop a concrete understanding of the concept of ten and patterning with these connecting train cars, each holding 10 Unifix Cubes. By filling the spaces and connecting the cars, children can see and feel “10 and some more,” 20, 30, etc. Includes ten cars, ten-frame spinner, and teacher’s guide with games, teaching ideas, and assessment instructions. Also includes 20 Unifix Cubes. For individual or small group use.