Rough Gradation Tablets (GAM)
The new GAM (Gonzagarredi) materials are identical to the original GAM materials.
The GAM materials are very well made and generally have a satin finish. All products are approved by AMI (association Montessori International)
5 pairs of varying grades of sandpaper mounted on solid beechwood tablets 13,5x9 cm. Includes a box for storage.