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 20 types of musical instruments: oboe, harpsichord, organ, electric guitar, bagpipes, double bass, bass drum, concert toms, cymbals, piccolo, contrabassoon, accordion, lute, harmonica, pipe organ, sousaphone, banjo, cornet, bar chimes and celesta. Includes: 20 pictures with labels 20 pictures without labels 20 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.