Kids can play out Triwizard Tournament tasks at the Black Lake from Harry Potter and the Goblet of Fire with this LEGO Harry Potter building toy

Features a buildable arch ruin which can create the effect of Hermione and Ron floating with 2 flexible LEGO elements, plus 2 caves with treasure

Also includes a toy boat and a pier model with a minifigure-diving function plus a rotating clock and accessory elements, such as Gillyweed Potion

5 LEGO Harry Potter minifigures: Harry with flippers, Viktor Krum with a shark head, Hermione, Ron, a Merperson plus Grindylow and crab figures

Kids can work to save Hermione and Ron underwater by finding the Gillyweed potion for Harry then diving from the pier to the rescue

A great experience for all builders - the LEGO Builder app guides kids on an intuitive building adventure with tools that give a helping hand

The pier model measures over 18 cm (7 in.) high, 12 cm (5 in.) wide and 6 cm (2.5 in.) deep. Contains 349 pieces