Carolina had a pencil case full of coloured crayons in her room. She liked drawing the most with a blue crayon, which she called Blue. One evening, as Karolina closed the door to her room, she heard a quiet whisper coming from the coffee table. - Hey, shall we play tonight? - rang out a little voice that Karolina knew well from her own imaginings. The whisperer was ... her crayon! Karolina approached the pencil case uncertainly. Suddenly Blue slid out of the pencil case, followed immediately by the rest of the crayons: Red, Green and Yellow. - We wanted to show you something! - said Green, twirling merrily. - But it must remain our secret! - added Czerwonka, looking at Karolina seriously. Karolina was very excited. The coloured crayons arranged themselves in a row and began to roll towards the wardrobe. - Come quickly! - exclaimed Yellow. The girl tiptoed towards the wardrobe. The crayons stopped at the small door at the bottom, which Karolina had not noticed before. - Are you ready for a surprise? - Blue asked mysteriously. Karolina nodded her head. Crayons began to open the door, from behind which an unusual flickering glow began to emerge....