30+ Awesome STEM Challenges for Kids (with Inexpensive or Recycled Materials!) - Frugal Fun For Boys and Girls | Stem activities, Engineering activities, Stem engineering projects
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frugalfun4boys.com
30+ Awesome STEM Challenges for Kids (with Inexpensive or Recycled Materials!) - Frugal Fun For Boys and Girls
30+ engineering STEM challenges with simple materials. Kids can tinker with bridges, catapults, boats, and more using recycled and inexpensive materials.
