Product name: Aircraft carrier toys Product material: alloy, plastic, electronic components, etc Age: over 3 years old Size: Submarine black: 20*4*6.5cm/7.87*1.57*2.56 inches Submarine grey: 20*4*6.5cm/7.87*1.57*2.56 inches Guided missile frigate: 18*3.5*7cm/ 7.09*1.38*2.76 inches Helicopter destroyer: 18.5*4*6cm/7.28*1.57*2.36 inches Aircraft carrier: 21.5*7.5*7cm/8.46*2.95*2.76 inches Maintenance method: This product contains electronic components, do not enter the water or use in a humid environment, wipe the dirt with a dry cloth. Realistic design and detail presentation: Simulated submarine models, highly reproduced design details, exquisite turrets and striking lighthouse on the bow, bring children an immersive Marine adventure experience. Interactive effect: sound and light effect, add fun and sense of reality when playing, let children enjoy unlimited fun in the simulation operation. Pull back wheel design: The innovative pull back wheel mechanism allows children to gently push the submarine model forward, simulating the flexible navigation of the submarine in the water, adding the fun of interaction and dynamic play. Delicate size easy to carry: small and delicate, easy for children to handheld play or carry out, whether it is a family gathering or outdoor play, can become the best playmate for children. Educational significance and collection value: This submarine toy model is not only suitable for children to play, but also has a certain educational significance, so that children can learn the basic structure and operation principle of submarines in play. At the same time, its exquisite design and realistic details also make it a worthy collection of toy boutique.