The Inventor Adventures

Read • Imagine • Invent

Join Dr. Patchwell and Fizzwidget as they solve silly problems, test clever ideas, and invent their way through Sparkhollow.

Become an Official Sparkhollow Inventor!Get a free bonus challenge, early access to future releases, and exclusive inventor printables!

• Join The Inventors Club

See current and upcoming Inventor Adventures!

• Explore the Workbook Series

Loved the workbook? Help other young inventors discover Sparkhollow!

• Review Your Adventure!

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