Junior School Physics and Electricity Test Box What it does and why it helps Designed for junior school physics lessons and handson learning, this test box lets students perform a variety of basic electricity and magnetism experiments to build understanding through direct observation. By making circuits and magnetic effects tangible, the tool helps spark interest in physical science and supports stepbystep exploration for lower grade students. Key functions and experiments Supports simple series circuit, simple doorbell experiment, solar cell experiment, electromagnetic attraction experiment, energized conductor magnetic field effect experiment, and other basic laboratory activities. Dualrange measurement and 2.5level measurement accuracy meet common teaching requirements and classroom demonstrations. Enlarged, easytoread dial provides clear readings during experiments. Design and materials elastic metal material for reliable contacts and longterm use. Battery installation is firmer for secure power supply during experiments. Front and rear card slots that make serial and parallel connections convenient and repeatable. Spring quick terminal enables fast, tool connections. Foldable, unique appearance structure for compact storage and transport. Round shape and fine craftsmanship deliver stable performance and simple operation. Practical benefits Easy for younger students to handle, encouraging early exploration and independent practice. Portable with included storage box for classroom rotation, field trips, or home study. Clear, repeatable connections and stable construction improve lesson efficiency and help students better grasp circuit principles. Performance and compatibility Measurement system: dualrange with 2.5level accuracy suitable for teaching labs. Connection options: spring quick terminals and front and rear card slots for serial and parallel wiring. Construction: durable metal contacts and stable mechanical design for classroom use. Typical use scenarios Classroom lab: Teacherled experiments demonstrating series circuits, doorbell wiring, and magnetic effects to groups of students. Smallgroup or afterschool exploration: Students build and test circuits in pairs to reinforce textbook concepts and develop problem solving. Science fair or demonstration: Portable, foldable unit with storage box makes it easy to transport and present handson experiments. What makes it stand out Combines a range of fundamental experiments with robust hardware and clear measurement, all in a foldable, portable package that is simple for students to use. The secure battery installation and quick terminals reduce setup time, letting class time focus on learning.