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  •  Science & Nature / General (see also headings under Animals or Technology)
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  •  Lewis Parker
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Electrical Circuits
 
Electrical Circuits
by Lewis Parker
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$12 to $15
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at 3 Sellers
Classifying Plants And Animals
 
Classifying Plants And Animals
by Lewis Parker
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$13 to $15
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at 2 Sellers
Simple Machines
 
Simple Machines
by Lewis Parker
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$12 to $15
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at 3 Sellers
Hearing And Sound
 
Hearing And Sound
by Lewis Parker
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$12 to $15
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at 2 Sellers
Force And Motion
 
Force And Motion
by Lewis Parker
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$12 to $15
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at 2 Sellers
Classifying/grouping Materials
 
Classifying/grouping Materials
by Lewis Parker
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$12 to $15
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at 2 Sellers
Food Chains And Webs
 
Food Chains And Webs
by Lewis Parker
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$11 to $18
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at 5 Sellers