Ключевые слова: alternative, art, backdrop, block, bright, building, childhood, children, colourful, counting, curriculum, education, elementary, example, fun, game, homeschool, instruction, instructional, kids, kindergarten, learning, manipulatives, material, math, mathematics, montessori, multicolored, number, numeral, numerical, pattern, play, played, preschool, primary, program, school, sensory, sheet, space, supplies, teacher, teaching, tools, toy,