Make an acorn whistle…

Acorn Dave writes “I came across this site while looking for crafts to do with all the acorns my 5 year old son collected at school and filled his pockets with. In true junior maker fashion he saw the acorns and knew there was *something* we could do with them. The acorn whistle on this page takes some practice but really is quite loud once you get the hang of it.” Link.

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