Description Light your childs creativity and scientific curiosity with the 3D Linear Servo accessories set, offer fun hands-on learning experience. Crafted from plastic materials, safe and easy to assemble, making it perfect for beginners in science projects. Suitable for children aged 6 and up, this set encourages collaboration between parents and kids, enhancing family bonding through shared activities. Perfect for home based parent child interactions, school science experiment, or technology club activities, providing educational fun. This educational toy not only problem solving skills but also introduces basic principles of physics and engineering, making it a valuable addition to any little scientists collection. Specification:A Color: As Shown Material: plastic Package Contents: 1 * Accessory Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.