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Affiliate links · Last verified 2026-05-21 · 🌍 Outside the US? Amazon and eBay will redirect you to your country's local store automatically.
The Pitch on Kickstarter
The Mystery Gem STEM Box appeared on Kickstarter in 2025. Gem Junior pitched the product to the audience. $20.6K pledged of $10.0K goal (206% funded).
Frequently Asked Questions
Is The Mystery Gem STEM Box still in business?
The Mystery Gem STEM Box is still listed on Amazon and eBay — see the buy links below for the latest availability.
Who founded The Mystery Gem STEM Box?
The Mystery Gem STEM Box was founded by Gem Junior.
Did The Mystery Gem STEM Box get a deal on Kickstarter?
Yes — $20.6K pledged of $10.0K goal (206% funded).
Where can I buy The Mystery Gem STEM Box?
The Mystery Gem STEM Box is available on Amazon and eBay. We compare current prices across both at our /results page — link below.
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