For use with our Marble Run, this 21-piece add-on set lets you build even more complex marble circuits.
Marble Run Keeps Attention Spans Rolling
19-piece add-on set plus 2 additional marbles
Compatible with other MindWare marble runs
For ages 4 and up
Marble Run: Add-on Set
Amazon.com Price: $14.95 (as of 20/10/2019 06:41 PST- Details) Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.
Marble Run Keeps Attention Spans Rolling
19-piece add-on set plus 2 additional marbles
Compatible with other MindWare marble runs
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