No self-respecting ninja's arsenal is complete without an embroidery hoop. They come in many sizes but a ninja's has a diameter of at least 35 centimetres, or more.

SAN JOSE, Calif., Jan. 14, 2025 /PRNewswire/ -- Middle school students using Green Ninja's science curriculum, which integrates real-world connections through project-based learning (PBL), achieve ...

The curriculum, developed from a National Science Foundation-funded project, is grounded in a framework validated by research at San Jose State University. This framework focuses on three key ...

Green Ninja Science. The study, examining over 4,400 students across six California districts, found that students using Green Ninja's science curriculum showed an average increase of 2.5 points ...