A classpack of 20 kits of components to build a functional Moisture Tester that can tell if pot plants require water. The classpack contains all the electronic components required, including ready-made PCBs, in a Gratnell's Tray with lid*. It offers a substantial saving compared to parts bought separately. Students will love this Moisture Tester Project, which is linked to the National Curriculum, as it is simple to assemble and is ideal as an introduction to electronics. *Tray colour may vary. * Dimensions of the box: 43cm x 31cm x 7cm * Great school resource * Each kit requires 1x PP3 battery (not included) * Suitable for Key Stages 2 & 3 (ages 7 to 14) * Supplied as a pack Teachers notes are available to download here. https://elecena.pl/product/27206223/rapid-moisture-tester-project-kit-class-pack-of-20-sets 2024-11-10 https://elecena.pl/product/27206223/rapid-moisture-tester-project-kit-class-pack-of-20-sets 2025-09-13 https://elecena.pl/product/27206223/rapid-moisture-tester-project-kit-class-pack-of-20-sets 2025-10-05 https://elecena.pl/product/27206223/rapid-moisture-tester-project-kit-class-pack-of-20-sets 2026-02-17 https://elecena.pl/product/27206223/rapid-moisture-tester-project-kit-class-pack-of-20-sets 2026-05-20 https://elecena.pl/product/27206223/rapid-moisture-tester-project-kit-class-pack-of-20-sets 2026-07-05 https://elecena.pl/product/27206223/rapid-moisture-tester-project-kit-class-pack-of-20-sets 2026-09-14