ScienceWiz Stinky Rocks
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Low in-store inventory, may be subject to change.
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- What to do about coal
- Read the 16 page booklet and get some ideas
- Instructions written specifically for children
- Kit Contains a packaged lump of bituminous coal, paperclip, cork, tea candle, and an illustrated full color booklet
- Authored by Penny Norman, PhD and edited by Ann Einstein