The moment it is done, converse again on the Contractor and you will get another Joy Jewel and get teleported back into the Topic Park. Position the jewel in the transformation machine to restore the rollercoaster, after which you will have to Create 3 carts with the experience. From in https://desert-block-puzzle-for-b54983.dreamyblogs.com/36325737/detailed-notes-on-desert-block-puzzle-relaxing-game