A dolly system comprising: - a dolly platform, - a rail assembly comprising: - at least one elongated rail section configured to be joined together to form a rail track, - an elongated continuous resilient element configured to be attached to the at least one elongated rail section along the rail track, - at least one wheel assembly configured to be attached to the dolly platform and configured to roll along the rail track on top of the elongated continuous resilient element, said wheel assembly comprising: - a center wheel configured to support the dolly platform in a vertical direction, z, - a first lateral support wheel and a second lateral support wheel configured to support the dolly platform in a horizontal direction, x, where: - the first lateral support wheel and the second lateral support wheel arranged concentrically and on either side with respect to the center wheel, and wherein: - the first lateral support wheel and the second lateral support wheel have a respective radial extension, r 1, r 2, that are larger than a radial extension, r 0, of the center wheel, and - the first lateral support wheel and the second lateral support wheel are configured to rotate independent of each other and independent of the center wheel; characterized by that a profile of a cross section of the elongated continuous resilient element, perpendicular to a direction of elongation of the continuous resilient element is such that, when attached to the at least one elongated rail section, an elongated cavity is formed between the at least one elongated rail section and the elongated continuous resilient element. - a dolly platform, - a rail assembly comprising: - at least one elongated rail section configured to be joined together to form a rail track, - an elongated continuous resilient element configured to be attached to the at least one elongated rail section along the rail track, - at least one elongated rail section configured to be joined together to form a rail track, - an elongated continuous resilient element configured to be attached to the at least one elongated rail section along the rail track, - at least one wheel assembly configured to be attached to the dolly platform and configured to roll along the rail track on top of the elongated continuous resilient element, said wheel assembly comprising: - a center wheel configured to support the dolly platform in a vertical direction, z, - a first lateral support wheel and a second lateral support wheel configured to support the dolly platform in a horizontal direction, x, where: - the first lateral support wheel and the second lateral support wheel arranged concentrically and on either side with respect to the center wheel, and wherein: - the first lateral support wheel and the second lateral support wheel have a respective radial extension, r 1, r 2, that are larger than a radial extension, r 0, of the center wheel, and - the first lateral support wheel and the second lateral support wheel are configured to rotate independent of each other and independent of the center wheel; - a center wheel configured to support the dolly platform in a vertical direction, z, - a first lateral support wheel and a second lateral support wheel configured to support the dolly platform in a horizontal direction, x, where: - the first lateral support wheel and the second lateral support wheel arranged concentrically and on either side with respect to the center wheel, and wherein: - the first lateral support wheel and the second lateral support wheel have a respective radial extension, r 1, r 2, that are larger than a radial extension, r 0, of the center wheel, and - the first lateral support wheel and the second lateral support wheel are configured to rotate independent of each other and independent of the center wheel; - the first lateral support wheel and the second lateral support wheel arranged concentrically and on either side with respect to the center wheel, and wherein: - the first lateral support wheel and the second lateral support wheel have a respective radial extension, r 1, r 2, that are larger than a radial extension, r 0, of the center wheel, and - the first lateral support wheel and the second lateral support wheel are configured to rotate independent of each other and independent of the center wheel;