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.
![Avatar](https://cdn.statically.io/img/i.pinimg.com/140x140_RS/ec/1a/dd/ec1add18c0fdc393f024f38037c85ffe.jpg)
Deb @ Living Montessori Now