The answer to this one is DETACHED PENDULUM OF A CUCKOO CLOCK.

If you thought BALLOON CRASHING A PENNY-FARTHING INTO A WALL you are to be congratulated on having survived in this world so long.

Either way, thanks for dropping by and if you a contemplating the purchase of a print or original drawing from the collection advertised here, please use coupon code DPCC to claim a 10% discount.