All-time low: £6.29 on 02/07/2016
This awesome Octonauts GUP-F Build-A-GUP playset contains everything you need to construct every GUP-F variation imaginable!
It comes with a GUP-F frame with rolling wheels and 25 interchangeable accessory pieces that plug in easily so you can build your very own customized GUP-F!
Accessory pieces include 2 legs, siren, 2 fins, top fin, tail fin, propeller that spins, 2 claws, 4 eyes, mouth, camera, rescue net, tank treads with rolling wheels, 2 fying fish wings, whale tail, anchor that pivots, smokestack, antenna, and seaweed moustache.
To make sure you know what you're doing it also comes with a blueprint showing some GUP-F variations you can build.