WHEELS!!!

Question

HELP!!THE CLIPS THAT HOLD THE WHEELS ON TO THE PRAM KEEP LETTING THE WHEELS JUST FALL OFF - NO MATTER HOW HARD YOU TRY PUTTING THEM BACK ON AND EVEN ONCE CLICKED IN TO PLACE THEY STILL FALL OFF RANDOMLY AFTER 5-10MINS WALK. THIS STILL HAPPENS WHEN FULLY PUMPED!PLEASE CAN ANYONE GIVE ME AN IDEA AS TO WHAT I CAN DO, AS NOW I JUST DONT TRUST IT TO TAKE IT ANYWHERE.I AM PREGNANT WITH MY 4TH BABY AND WOULD LOVE TO USE THIS BEAUTIFUL PRAM AGAIN BUT IM TOO SCARED INCASE I HAVE TO DRAG IT HOME CARRYING ALL MY BABIES!!!ANY IDEAS WOULD BE REALLY HELPFULKAREN