make-believemachine
nounUK /ˈmeɪkbɪliːv məˌʃiːn/
US /ˈmeɪkbɪliːv məˌʃiːn/
A make-believe machine is a pretend machine you imagine and play with.
My cardboard box is a make-believe machine that can fly to the moon.
OTHER MEANINGS
2. A playful name for a child's toy that sparks imaginative games.
Grandma called the old wagon a make-believe machine for pirate adventures.
3. A mental trick people use to convince themselves something unreal is real.
His make-believe machine told him he could finish the project in one night.
4. A story or game device that creates an imaginary world.
The teacher's make-believe machine turned the classroom into a jungle.