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Stethoscope with sound effects
The Primary Science Deluxe Lab Set gives budding scientists everything they need to mix
Drop a Reactor Pod into the chamber
Encourages physical activity and imaginative role play
Ravensburger GraviTrax PRO Vertical Expansion Set spelling Stethoscope with sound effectsTake Your Tracks to New Heights Elevate your marble run experience with the GraviTrax PRO Extension Vertical. This advanced expansion set is designed for builders who want to push the boundaries of physics and creativity by building higher and more complex structures than ever before. With 33 specialized pieces, including pillars and walls, you can create multi dimensional tracks that defy gravity. This set allows you to optimize your building space