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AVRG: $39.95 Age Range: 8 to 10
A Gecko Run marble run that sticks to whiteboards, doors, windows and other smooth surfaces with nano-adhesive pads, so it can build height with fewer pieces. The STEM edition teaches physics concepts such as potential and kinetic energy, momentum and centripetal force.
ToyDirectory Product ID#: 58244 (added 10/25/2026)
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