December had arrived, bringing icy frost on the windows and a hum of excitement to the cosy house. Inside, Finn was busy planning a grand secret. He wanted to make the most magnificent Christmas gift for his little sister, Bea, all by himself.

He searched the house until he found a perfect, sturdy cardboard box in the hallway. It was just the right size to become a toy sleigh. With a determined smile, Finn dragged the heavy box up the stairs, his boots clattering softly on the carpet, ready to begin his secret holiday workshop.

Finn knew he had to be incredibly sneaky. Bea was only two years old, but she was very curious and loved to follow her big brother everywhere, clutching her favourite brown teddy bear tightly to her chest.

"What are you doing, Finny?" Bea giggled, peering into his bedroom with wide, inquisitive eyes.

Finn quickly slid the big cardboard box under his bed, out of sight. "Just tidying up, Bea!" he said, offering a reassuring smile as he gently guided her back to the playroom to play with her blocks.