Search Results: Returned 2 Results, Displaying Titles 1 - 2
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c2003., Primary, Heinemann Library Call No: 621.8 Availability:1 of 1 At Location(s) Series Title: Useful machinesSummary Note: Teaches children what levers are, how they work, and what they are used for in everyday life.
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c2003., Primary, Heinemann Library Call No: 621.8 Availability:1 of 1 At Location(s) Series Title: Useful machines.Summary Note: Teaches children what pulleys are, how they work, and what they are used for in everyday life.