Our lovely friends at Water Babies have sent us this fantastic picture. Leave your wittiest captions in the comments box for a chance to win one of our water-loving PaddlePak backpacks!

The winner will be announced at 12pm tomorrow (Friday 10th August). Subject to the usual Trunki Terms & Conditions. Good luck!

Here's what you could win! Watch the PaddlePak Little Scientist video below.