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TOPS #23 Rocks and Minerals TOPS #23 Rocks and Minerals $ 19.95 CAD	TOPS #38 Green Thumbs Radishes TOPS #38 Green Thumbs Radishes $ 18.95 CAD
TOPS #39 Green Thumbs Corn & Beans TOPS #39 Green Thumbs Corn & Beans $ 18.95 CAD	TOPS #09 Floating and Sinking TOPS #09 Floating and Sinking $ 12.95 CAD
TOPS #10 Analysis TOPS #10 Analysis $ 10.95 CAD	TOPS #11 Oxidation TOPS #11 Oxidation $ 10.95 CAD
TOPS #15 Heat TOPS #15 Heat $ 12.95 CAD	TOPS #32 Electricity TOPS #32 Electricity $ 17.95 CAD
TOPS #19 Electricity TOPS #19 Electricity $ 18.95 CAD	TOPS #71 Primary Lentil Science TOPS #71 Primary Lentil Science $ 21.95 CAD