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Marble Genius Marble Rails Physics Set: 5 Piece Marble Run (Includes 3 Y Splitters and 2 Loops), Compatible With Marble Rails Building Sets, Comes With Online App and Instruction Manual, Ages 8 and Up

Marble Genius Marble Rails Physics Set: 5 Piece Marble Run (Includes 3 Y Splitters and 2 Loops), Compatible With Marble Rails Building Sets, Comes With Online App and Instruction Manual, Ages 8 and Up

$18.94 USD
$18.94 USD
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  • For STEM kids who love to build: This marble rails physics set contains 5 add-on pieces total, for creating and building unique marble rails
  • Accessories included: Marble Rails Physics Set

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