| 摘要 |
An accessory for a play system includes an elongated surface and a plurality of sound modules coupled with the elongated surface. The elongated surface may be a slide, climbing wall, ladder or any other surface across which a child may slide, crawl, or climb. The sound modules are spaced along a length of the elongated surface and are each configured to emit a unique sound when operated by the child while traversing the elongated surface.
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