Use the landing page as the briefing layer
Start from the lighter homepage, then send students into one focused lab rather than dropping them into a heavy surface immediately.
For educators
Use the lab, keep the reasoning.
The site is well suited to demonstrations, exploratory homework, and follow-up discussion because the interaction can be paired with seed values, state measurements, and verification-friendly exports.
Drag and fire are especially classroom-friendly
They communicate the governing idea quickly and reward comparison between scenarios.
Receipts beat screenshots
A saved run is a stronger starting point for moderation or discussion than a static image without context.