Pieces PCB Pin Header Connector with Gold Plating Material

Multifunctional Design: Ideal for children's science experiments, chemistry props, and kindergarten teaching, making learning fun and interactive. Test tube block, test tube drying rack.
Safe Materials: Made of safe plastic, this test tube holder is ideal for young students, ensuring their safety during use. Microcentrifuge tube block, test tube tray.
Convenient Assembly: Designed for easy assembly and disassembly, this test tube holder is easy to store and transport, making it very practical. Test tube clamping accessory, laboratory tube holder.
Sturdy and Secure: Designed to hold test tubes securely in place, preventing accidental spills and ensuring a safe learning environment. Test tube clamping device, test tube storage rack.
Easy to Use: Easy to assemble and disassemble, making it easy to store and transport. Ideal for use in various educational settings. Test tube container, test tube rack.