
Explore an adult male reference body in 3D. Reveal 14 anatomical systems, search thousands of named structures, isolate organs, and pull 2,209 modeled pieces apart to see how the body is organized.
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KiwiBee’s LOOPY classroom edition retains Nicky Case’s CC0 signal engine and adds balancing, reinforcing and grass/rabbit feedback experiments. Use a clear signal-injection button, observe the model levels, restart the experiment, or reveal the drawing tools to change a relationship. Prediction prompts help connect the visible feedback with a causal explanation. The signal animation and model levels are qualitative: they do not fit measured ecological data or forecast a real system.
Nicky Case. Original source license: CC0-1.0. Source: https://github.com/ncase/loopy. KiwiBee improves the classroom controls and experiments, retaining source credits and licenses.
LOOPY represents qualitative relationships and simplified signal flows. It is not a quantitative forecasting model.
Use the activity controls inside the frame, or open fullscreen for a larger workspace. Ask students to predict a result, test it, and explain what changed. The embedded application starts in English; available upstream language controls are part of the original activity.
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<iframe src="https://kiwibee.io/es/simulations/loopy-systems-thinking-simulation/embed" title="LOOPY Systems Thinking | KiwiBee" loading="lazy" allowfullscreen style="width:100%;height:min(70vh,620px);min-height:420px;border:0;border-radius:16px"></iframe>Sigue explorando

Explore an adult male reference body in 3D. Reveal 14 anatomical systems, search thousands of named structures, isolate organs, and pull 2,209 modeled pieces apart to see how the body is organized.

Explore the head and neck in 3D: 643 source meshes across 14 layers, 47 facial and masticatory muscles, and 77 drawn nerves, vessels and glands the source scan omits. Open any tooth onto its own pulp canal, and follow the seven stages of tooth development.
Free interactive photosynthesis simulation. Explore photosynthesis hands-on online — great for whole-class or independent practice.
Free interactive states of matter simulation. Explore states of matter hands-on online — great for whole-class or independent practice.
Free interactive shadows simulation. Explore shadows hands-on online — great for whole-class or independent practice.
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