Pen Meter Conductivity TDS & pH L1-Children's Books-L2-Books by Age Group-L3-Early Primary Supports hands-on learning in Earth

Supports hands-on learning in Earth and space science

helping children build understanding and confidence

suitable for health and science centres

Each pair she tries has a humorous or exaggerated reason for being unsuitable-until she finds just the right boots in the end

Pen Meter Conductivity TDS & pH L1-Children's Books-L2-Books by Age Group-L3-Early Primary Supports hands-on learning in EarthThis multi function Pen Meter is a powerful, all in one tool that measures conductivity, total dissolved solids (TDS), and pH making it ideal for comprehensive water quality analysis. Designed for high school labs, field studies, and science classrooms, this device supports diverse experiments across biology, chemistry, and environmental science. Its integrated design reduces the need for multiple instruments, providing a compact and practical