Aukje feels bad for her grandma who keeps forgetting things. Mr. Twister offers to help Marie Louise to fix up her grandma’s garden. He isn’t paying attention when she lists the supplies. At school he runs into Hank looking for his bicycle key. Mr. Twister is helping the children prepare for a history test but they find it difficult. When Dreus hears about this she teaches Mr. Twister and the class a technique called the ‘memory palace’.