These great value geometric construction sets provide endless inspiration for young minds. Encourages children to problem solve and use logical thinking. Teaches mathematical and scientific concepts as well as developing creativity and design. Includes brand such as Klikko, Polydron, Geofix, Kid K'Nex and K'Nex. Each set is made from durable, high quality materials which are non-toxic. Innovative construction sets for the classroom which provide great play value.