A single kit typically produces 2–3 flushes over 4–6 weeks. The first flush is usually the largest and most dramatic. After harvesting, let the block rest for 5–7 days, then resume misting for a second flush — great for multi-week observation and comparison data.

No grow lights, no grow tents, no special equipment. The kits thrive under normal indoor ambient light — a countertop or windowsill works perfectly. You'll need a small spray bottle (included) and access to water. That's it.

Yes — our mixed variety 6-pack includes two Blue Oyster, two Lion's Mane, and two Pink Oyster kits at $99 total (~$16 per kit). Contact us at info@northspore.com for school purchase orders and larger quantities.

Absolutely. All kits use 100% organic, food-grade substrate and produce edible mushroom species. The spore load in a typical classroom is negligible. We recommend harvesting before mushrooms become fully mature if anyone has severe respiratory sensitivities. The harvested mushrooms can be cooked and eaten — a great culinary component to the lesson.

Yes — we offer free downloadable 5-day and 10-day curriculum guides, both NGSS-aligned and designed for grades 3–8 with adaptations for homeschool families. Each includes full lesson plans, student observation journals, CER writing frameworks, data tables, and a final performance task.

The spent block is nutrient-rich — not waste. You can compost it, bury it in a shaded garden spot (it may continue producing outdoors), or use it as a visible demonstration of substrate decomposition in subsequent classes. It's a powerful way to close the matter cycling loop students studied during the unit.