This product group combines teaching aids, laboratory support tools, a Whistle Tool, and a chemical heating rack designed for classroom and laboratory chemistry instruction. Key benefits Safe, durable materials: Manufactured from materials intended for safe classroom use and extended service life, reducing the need for frequent replacement. Designed for teaching and lab use: Tools configured to support demonstrations, student experiments, and routine lab work in schools and science laboratories. Professional-grade Whistle Tool: Not a toy — a purpose-built teaching instrument that supports chemical heating tasks and classroom demonstrations with reliable performance. Wide applicability: The chemical heating rack fits common classroom and lab setups and is suitable as experiment equipment for high schools. What it solves Improves safety and reliability for repeated teaching use by using materials suited to educational environments. Reduces downtime and replacement costs through more durable laboratory support tools. Provides a clear, professional alternative to improvised or toy-grade devices when performing heating demonstrations and chemistry lessons. Fits typical school and lab workflows so teachers and technicians can set up demonstrations quickly and consistently. Key attributes Function: Teaching aids for instruction, laboratory support tools for routine experiments, a Whistle Tool for chemistry lessons and assisting chemical heating, and a chemical heating rack for organizing and supporting heating apparatus. Compatibility: Intended for use in classrooms, science laboratories, and high school experiment settings; compatible with standard laboratory heating setups and teaching demonstrations. Material: Constructed from safe, education-appropriate materials designed for durability and repeated use. Performance: Stable and reliable for teaching and laboratory activities; the Whistle Tool and heating rack are engineered to support chemical heating tasks during lessons. Practical use scenarios High school chemistry class: Use the teaching aids and Whistle Tool during a teacher-led demonstration of a heating reaction while the heating rack holds glassware securely, allowing students to observe reaction stages safely. School laboratory sessions: Employ the laboratory support tools and heating rack for multiple student stations during titration or heating experiments, minimizing equipment failure and simplifying setup. Science club or outreach event: Bring the professional Whistle Tool and compact heating rack to off-site demonstrations where reliable, classroom-safe equipment is required. Who this is for Science teachers, lab technicians, and educational institutions looking for reliable, classroom-ready chemistry teaching tools and heating support equipment suitable for schools and science laboratories.