When the large gear turns, the little ones follow along tooth by tooth. Plexiglas front. The "Acrylic Gears Sensory Wall Activity Panel by HABA" is a fun sensory wall activity Wall Toy for children. Great for schools, daycare centers, and any kids play and waiting areas.

Use and combine with multiple kids activity " to create a custom Sensory Wall where the Activity Panels easily interchange by sliding in and out, allowing the Sensory Wall to remain fresh over time.

In addition to mounting with Guide Rails , Activity Panels can also be mounted directly to wall with 2 screws (mounting hardware not included).

Made of birch wood.

Ten year warranty. Made in Germany.

Dimension: Acrylic Gears Sensory Wall Activity Panel Wall Toy by HABA. L 16" x H 17".