The Frog Activity Wall Panel helps develop motor, collaborative play, communication, language and early math skills. The panel contains an abacus with 5 rows of 10 brightly colored, wooden beads. Constructed with MDF. | The panel includes its own fixing holes and comes with screws. Size of panel: 22.3" L x 14.8" W. The maximum depth it protrudes from the wall is 1.75" .