✅ EXPAND YOUR LITTLE ONE'S CREATIVITY! With a TrainLab Track Connector kit, they can connect together male or female wooden railway tracks! ✅ MADE ESPECIALLY FOR SMALL HANDS AND BIG IMAGINATIONS! Easy to use and connect for kids 3 years and up. ✅ COMPATIBLE WITH ALL WOODEN RAILWAY! Easily connect Thomas, BRIO, Melissa and Doug and more! ✅ DESIGNED AND MADE IN THE USA! We're a small toy company that designs, makes and tests everything we sell. ✅ KID AND ENVIRONMENTALLY FRIENDLY! Our products are non-toxic, biodegradable and easy on the environment Connect your wooden railway tracks any way you like and expand your fun! The Male to Male train track adapter was especially designed for little hands to easily connect tracks together. If you need to change the gender, no problem! We've included a NiteBrite glow-in-the-dark Dog Bone for extra fun!