Godot Engine - Feature-packed 2D and 3D open source game engine.
Kano - The educational computer and coding kit for all ages
GDevelop - GDevelop is an open-source game making software designed to be used by everyone.
Harry Potter Kano Coding Kit - Build a wand. Learn to code. Make magic.
Construct 2 - Scirra Construct is a 2D game development engine with a focus on building games visually.
Lego Boost - Build + Code + Play