HABA Marble Run - Sound Staircase Accessory

Details As the marbles bounce down the five metal stairs, they create lively music. The bell can be used to signal the completion of the marble run. Or, it can be inserted anywhere along the way. This German-made accessory is compatible with all HABA building systems, meaning it can be integrated into the family construction toys for years. Like all HABA wooden toys, this is heirloom quality, made of beech wood from sustainable forests, meant to last through generations.  ECO-FRIENDLY TOYCONTENTS: 1 sound staircase, 1 bridge with bell, 1 redirection block and 6 marblesSIZE: 4" x 3" x 5.5"AGES: Recommended for beginner to advanced builders ages 3 to 10.       WARNING: Contains small marbles. Not for children under 3 years. Developmental Value Marble runs and their accessories are one of our favorite for their developmental value. The benefits are deep across so many different levels and the benefits happen instantly and simultaneously. Construction is self-correcting so no instructi