Intelino is a new "Smart Train" upgrade of the Thomas/Brio/etc. concept. Amongst other things these adapter tracks allow one to join Plastic and Wooden tracks. These adapter tracks are long overdue. Not rocket science.
At the moment it is only available in the USA or so they say, although kogan.com seems to stock them in AU.
See: https://www.kogan.com/au/buy/intelino-wooden-track-adapter-kit-int-wadpt-00860000690454/?utm_source=bing&utm_medium=cpc&utm_campaign=Bing+PLAs&utm_term=1101400107879&utm_content=Ad+group+%231
See: https://www.techinn.com/en/intelino-railroad-adapter-for-j-1-robot/138244018/p?utm_source=google_products&utm_medium=merchant&id_producte=13757134&country=au&msclkid=acfe684aecae17bd299f09107c0b72b8
At the moment it is only available in the USA or so they say, although kogan.com seems to stock them in AU.
See: https://www.kogan.com/au/buy/intelino-wooden-track-adapter-kit-int-wadpt-00860000690454/?utm_source=bing&utm_medium=cpc&utm_campaign=Bing+PLAs&utm_term=1101400107879&utm_content=Ad+group+%231
See: https://www.techinn.com/en/intelino-railroad-adapter-for-j-1-robot/138244018/p?utm_source=google_products&utm_medium=merchant&id_producte=13757134&country=au&msclkid=acfe684aecae17bd299f09107c0b72b8