Montessori classified cards are typically presented in a three-part format. They are used to enhance children's vocabulary, develop classification skills, and expand their understanding of the world. To use three-part cards, match the labels to the corresponding pictures. Verify the matches using the control cards with the labels. Includes 17 types of safety signs: playground, school crossing, poison, flammable, corrosive, explosive, radioactive, infection, railway crossing, no smoking, high voltage, stop, hospital, information, elevator, telephone, and restroom. Includes: 17 pictures with labels 17 pictures without labels 17 labels Cards with labels are approx. 3½" x 3¼", cards without labels are approx. 1" shorter, labels are approx. 1". This file is in PDF format.