Transports toys by Beetle and is employed in hard labour? Presumably that comes as a blow!

I believe the answer is:

sledge hammer

I'm a little stuck... Click here to teach me more about this clue!

(Other definitions for sledge hammer that I've seen before include "Unsuitable nutcracker?" , "Forceful, unsubtle; tool" , "Heavy two-handed tool" , "Heavy-hitting implement" , "Large heavy tool for breaking rocks etc." .)

I've seen this clue in the Irish Times.

Want a hint initially instead of a full solution? Install my app