The Kangaskhan EX (78 / 106) card can be found in the Flashfire set.
Recently sold 4 times and based on those sales is worth around £1.00.
Currently, there are 7 open listings for this card on ebay.
This card sells in the range of £0.66 to £1.34, making it very stable.
This Rare Holo Ex card was illustrated by Eske Yoshinob.
The fact that it is a EX card makes it one of the more valuable cards.