All Dream Keys
     At  the  House Hub, pause gameplay, hold Select and press Circle,
L1, L2, L1, L2.

All Winks
     At  the  House  Hub,  pause gameplay, hold Select and press Left,
Down, Right, Right, Right.

Full Cogs
     At the House Hub, pause gameplay, hold Select and press Down, R2,
L1, Up, R2.

Restore Lives
     At  the  House Hub, pause gameplay, hold Select and press L1, Up,
Right, L2, Up.

Restore Moons
     At  the  House Hub, pause gameplay, hold Select and press Up, L2,
Left, R2, Left.

Restore Zzzs
     At  the  House  Hub, pause gameplay, hold Select and press Right,
L1, Up, R1, L1.

Big Head Mode
     Pause  gameplay,  hold  Select  and  press L1, Up, Right, L2, Up.
Release  Select,  then  hold Select again and press L1, Up, Right, L2,
Up.