Compact, fun and tactile insert, with great sensory features
Turn the crank handle to turn the cogs, watch and listen to the mechanical action and then you can also watch and listen to the stainless steel balls tumbling over the cog pins. Stimulating touch, sight and sound senses in one mini compact insert. Constructed from HDPE, you can easily add to your own panel or structures. The product features polycarbonate windows protecting stainless steel ball bearings and an easy to rotate mechanism.