I've looked through the mysteries twice but I couldn't see this one (after checking all the known ones of course!)
Maybe I'm tired but...

Dimensions are as follows
Tray - 30cm x 20cm x 3cm
Powder Bowl - 9cm diameter at widest point, 6cm at base. Stands 10.5cm tall.
Candlestick - 7.5cm across base, 3.5cm across top. Stands 12cm tall