Explore key mathematical concepts using practical demonstrations of probability, counting, measurements in metric and imperial units, graphing, geometry, and more. Many kits come with supplies for teaching entire classrooms of students, complementing a wide range of teacher curriculums. Sturdy storage bins allow for packaging educational materials in a convenient, plastic, stackable bin. Counting principles are reinforced with everyday uses such as telling time, using simple materials that are safe for use by children of almost all ages.