iplusmile 10 pieces group experiment copper leaf spring spring leaves group experiment leaf spring leaf spring elementary school

SOUNDING G: Adopts precision manufacturing to achieve stable characteristics and high reliability. Elementary teaching aids: simple design but very practical, providing you with a great using experience. Teaching tool: The exterior design is simple, but practical and very convenient. EXPERIME LE G: Although it cannot make children happy, it can also promote the development of intelligence, which is good and interesting. Finely polished surface and smooth corners, no burrs, will not hurt children's hands, safe and reliable. Package Contents 10 x Leaf Spring function - Color: Silver. - Material: Copper. - Stimulate students' imagination, behavioral ability to increase interest in learning. - Polished surface and smooth corners, no burrs, safe and reliable, will not hurt children's hands. - Adopts precision production to achieve stable characteristics and high reliability. - The excellent workmanship of our products brings you a great using experience. If you are looking for professional and affordable leaf springs for elementary school students, search here. That's because our products can meet your needs. Adopts premium material, practical and durable, can be used for a long time. Easy to use and convenient.