This wooden boat is beneficial to cultivate children's curiosity about science, improve their creativity and exercise their hands-on ability. Besides, while playing, kids can better understand the structure of a paddle steamer as well as the characteristics and effects of elastic potential energy.   Features: Cool and fashionable appearance makes children love it.  Fine quality wood material and exquisite workmanship provide it smooth surface.  Selected top-quality metal components ensure the best and stable performance.  19*11.5*6cm mini size enables you to store and carry it easily.  Required wooden boat assembly process brings DIY fun, makes kids fulfilled and trains their hand-on skills.  This product promotes kids' intellectual development and cultivates their abilities like concentration, hand-eye coordination and pattern recognition. At the same time, they can learn elastic potential energy knowledge.  Recommend age: the toy is fit for 7-14 years old kids.  Power supply: it is powered by 2pcs AA battery(not included).  There is no better gift than this for children on their birthday, children's day, etc. Meanwhile it's a great choice for decorations in living room, study room, etc.   Specifications: Name: DIY Building Boat Kit;  Material: Wood;  Age Range: 7-14 years old;  Battery: Not included;  Item Size: 19*11.5*6cm/7.5*4.5*2.4in;  Package Size: 15*15*5cm/5.9*5.9*2in;  Item Weight: 130g/4.6oz;  Package Weight: 135g/4.8oz;   Note: -DIY building boat kit only, other accessories are not included.  -Due to manual measurement, there may be deviation.  -Due to photograph light or other reasons, the item in picture and material object may have slight difference, please in kind prevail.   Packing List: 1 * DIY Building Boat Kit