These plastic train track connectors are a must-have for any train enthusiast. Made from plastic, they are safe and durable for children. The plastic connectors included in the set make it easy to assemble and expand your train tracks, providing endless opportunities for creative play and imaginative adventures. Compatible with Thomas train tracks, they are the good for young engineers. Features -Color:Dark Grey -Material:Plastic -Size:3.50X1.20X1.00cm/1.38X0.47X0.39in -Crafted from plastic, these track pieces ensure use and provide play environment for kids. -Designed to seamlessly integrate with train tracks, these pieces offer limitless opportunities for creative play. -Featuring easy-to-use plastic connectors, these track pieces allow for quick and simple assembly . -Encourages children to use their creativity and imagination by enabling them to design flexible and unique track layouts. -Ideal for children aged three and up, this set makes a wonderful and educational good that keeps kids engaged and entertained. Package list: 20 Bone Track Connector