STEM Starters

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  STEM Starters: Balloon Cars
  $14.99
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  STEM Starters: Paper Circuits
  $14.99
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  STEM Starters: Catapult
  $9.99
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  STEM Starters: Zip-Line Racers
  $14.99
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  STEM Starters: Hydraulics
  $14.99
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  STEM Starters: DIY Fidget Kit
  $14.99
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  STEM Starters: Egg Drop
  $14.99