STEAM LAB: Rocks, Gems & Geodes
Klutz · sold by Thinker Toys · $24.99 · out of stock

Kick-start your very own rock collection with the 36 stones. Then use the included crystal powder and mold to grow a geode formation. Collect rocks and conduct experiments, such as a scratch test and float test, to discover their hidden properties. You'll even learn how to make your very own rock tumbler. Use the fact-filled book to keep exploring the world around you! Comes with: 36 rocks, display tray, crystal powder, geode mold, plaster, magnifying glass
| Option | Price | Stock | |
|---|---|---|---|
| Default Title | $24.99 | out of stock |
Prices and stock from www.thinkertoystore.com’s public catalog, last checked 2026-11-03 22:04 UTC. “Order via Kaupia” shows the delivered price to your zip (item + the store’s shipping + est. tax) for participating merchants, which fulfill directly. “Checkout at the store” uses the store’s own payment and support. Agents: JSON at https://api.kaupia.com/v1/product?id=kp:99ad167b-3929-4064-ad5b-e754e2db0079; delivered price GET /v1/quote; order with POST /v1/orders or MCP place_order.