Have you ever want to learn something, like history, economy, science? Crash Course is a free learning channel on YouTube with many courses for kids and adults, and they just added a new channel specially designed for kids: Kids Science. Great learning resource leveraging the new technology, for school supplements, or for homeschool.
STEM Design Challenges are fun, engaging activities that stimulate problem-solving and critical thinking for students, grades 2-8. (Paid product comes with modifications to add or decrease rigor for younger/older students.)