These little Deuter backpacks are great fun when having adventures in the playground. going for a swim in the lake or heading out into the mountains. With new. playful colours. there is something to make the eyes of any girl or boy light up. The Schmusebar is designed for adventurers above the age of 3 and just like the Kids models has a semi-circular zip opening. The Junior. its big brother. has grown up a lot with its fresh new design. and is for children aged 5 and above.