I will agree the placement of the goal and what oven surrounds it - is not really a matching concept. I think if they placed it for even the Rainbow Oven, it would have match more. However I would have like the a space prize more then a Bakery Balloon. Since I already have the Bakery Balloon (and luckily, they did not take it off the market!)
But a plus side to this is that new players -or players that did not play during that time- can get it.
They could have done a slight matching prize, with the Magical Act, or even something from the Lucky Stars goal - like the Astrological Clock. But at least people can earn extra gems from this, even if they already have the prize.