Enable students to create mental images of numbers and use different strategies for determining numbers in relationships of ten. Unifix Ten Frame Trains help students develop a concrete understanding ten and sets of ten with connecting grid train cars, each holding 10 Unifix Cubes. By filling the spaces and connecting the cars, children visually discern conceptually challenging relationships. Includes ten cars, ten-frame spinner, and teacher’s guide with games, teaching ideas, and assessment instructions. Unifix Cubes not included.