The Grey Bead Stair includes bead bars from 1 to 9 where bars 6 through nine have the first five beads separated from all the others by a white band.  The beads are 18 mm in diameter and are strung on stainless steel wire.  The Bead Stair can be stored in the Bead Stair Box (sold separately).

All Gonzagarredi products are approved by the Association Montessori Internationale (AMI).