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Product Description
LL Demos & Labs: Wood Cookie Tales
Non edible cross-section of a Douglas Fir log. The cookie is about 1.5” wide and allows the students to count growth rings, determine wet and dry years, observe insect and fire damage and also identify the parts of a tree.
Non edible cross-section of a Douglas Fir log. The cookie is about 1.5” wide and allows the students to count growth rings, determine wet and dry years, observe insect and fire damage and also identify the parts of a tree.
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