Push every gear into a socket. The hub in the middle may want one too.
Every step is a tick. Turning rings move one notch when their count is up, carrying everything on them, you too.
Chevrons show which way a ring turns. Glowing ones turn on your next tick. The bar at the top says the same in words.
A socket with a symbol wakes the ring with that symbol when a gear goes in.
Horses fill holes. Push anything off the edge and it's gone.
Keys: arrows/WASD move toward that side of the screen, Space waits, Z undoes, R restarts, Esc pauses. Touch: swipe or tap next to the repairer. Pad: stick moves, A waits, B undoes, Y restarts.