Features: Sensory Enhancement Design: Mini finger skateboard accessories encourage sensory development in children, helping to improve hand-eye coordination and fine motor skills. These toys promote DIY creativity and customization of finger skateboards. Quality Material: Constructed with durable alloy bearings and smooth, burr-free metal components. Resistant to wear and rust, ensuring a long-lasting and enjoyable play experience. Easy to Assemble: This set includes all necessary accessories for simple assembly and customization. Designed for easy replacement and compatibility with most standard finger skateboards, extending their usable life. Durable Replacement Parts: The sturdy deck trucks are ideal for replacing worn components on mini finger skateboards. Helps extend product life and supports finger dexterity and coordination, suitable for indoor play and skill development. Color: Silver Material: Alloy Size: 29mm Package Contents: 1 x Small Screwdriver (color may vary, specific color not guaranteed) 10 x Truck Sets (each set includes screws, nuts, and spacers) Note: This package includes only the items listed above. Other items are not included. Lighting and display settings may cause slight variations in color compared to the actual product. Measurement may vary by +/- 1-3cm due to manual measurement.