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Start-Up Circuits

  • 6 pc. set
  • Includes 3 tops that either light up, whistle or hum when added to one of the 3 bases
  • Includes 3 bases that either push, pull or slide when added to the tops
  • Requires 6 AA batteries that are not included
  • STEM activity for toddlers
  • Ages 18 mos. +

Availability: Out of stock

  • Switch on STEM with this set of three tops that light up, whistle, and hum when you add one of the three switch blocks that push, slide, and flip. Requires 6 AA batteries (not included).