This Number Rack Teacher Counting frame has two rows of rails, each rail has 10 wooden beads in red and white (colour change after 5 beads). This allows for strategies to count in 5’s and 10’s and improve students’ ability to add and subtract.
 
The beads are 34mm, and the frame measures 82cm long and 10cm high. Number Racks are commonly referred to as a Rekenrek.