UGears STEM LAB Differential
The DIFFERENTIAL model kit is the mechanism without which you cannot turn a vehicle around. It demonstrates how the two drive wheels mounted on t...
View full detailsThe DIFFERENTIAL model kit is the mechanism without which you cannot turn a vehicle around. It demonstrates how the two drive wheels mounted on t...
View full detailsStack hollow cubes to magically propel stainless steel marbles down a track for a truly mesmerizing experience! Eighteen special tracks grow wider ...
View full detailsA truly mesmerizing marble-track experience!Each set is made up of hollow stacking cubes and a variety of perfectly flat tracks. The paths cut out ...
View full detailsExperience mesmerizing magic in slow-mo with the Trestle Tracks Builder Set! Each set features hollow stacking cubes and perfectly flat tracks with...
View full detailsThe GraviTrax PRO Vertical Expansion Set offers 33 additional elements to reach new heights with your track. Create dynamic marble runs with walls,...
View full detailsLaunch more marbles! With the spinner up to six balls can be started at once. Watch as the marbles are sent on a race through your tracks. This ext...
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