Fedora is an operating system based on the Linux kernel, developed by the community-supported Fedora Project and sponsored by Red Hat. -- wikipedia.org
In relation to Sugar, Fedora is a downstream distribution project that can be used to run Sugar.
Install Fedora. Then, in a Terminal, type:
sudo dnf groupinstall sugar-desktop
Then restart your computer. At the Sign in select the Sugar desktop (Fedora uses GDM by default, tutorial to login to Sugar using GDM can be viewed in the Sugar Docs).
Select the GNOME on Xorg or GNOME Classic desktop, then in a Terminal, type:
sudo dnf groupinstall sugar-desktop
sudo dnf install sugar-runner
sugar-runner
Sugar will start. Logout from Sugar to return to the desktop environment you were previously using.
Sugar is also available from Activities search in GNOME.