An acoustic extension for your child''s existing HABA marble ball track set.
As the marbles bounce down the five stairs, they create a lively musical sound. The bell can be used to signal the completion of the marble run or can be inserted anywhere along the way.
This set contains 1 sound staircase, 1 bridge with bell, 1 redirection block and 6 glass marbles.
Sound staircase measures 4'' x 3'' x 5.5''. Made from solid beech wood that comes from sustained forestry in Germany.
Compatible with all HABA Marble Ball Tracks & Accessories and HABA building blocks. Suitable for beginner to expert architects ages 3-12.

Technical Details

Product Details

Product Dimensions

Package Dimensions
Width : 5.1 inch
Height : 3.7 inch
Length : 10.4 inch

Item Weight: 0 ounce (View shipping rates and policies)
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ASIN : B0002HYFHK