The Small Number Cards 1-3000 are printed on heavy stock with a coated surface for protection against dirt and stains. The set includes three sets each of units, tens, hundreds and thousands. The cards measure 3 cm wide and 3, 6, 9 or 12 cm long. The entire set comes in a wooden box with lid measuring 15 cm x 8 cm.
All Gonzagarredi products are approved by the Association Montessori Internationale (AMI).