Color: mainly red. Material: durable hard plywood and solar panel. Assembled size: about 27*15*8cm. |It is a cool and funny 3D Wooden Sea Knight Twin-engine Aerotransport Aircraft Woodcraft Toy, allowing you to DIY manually assemble it without gluewater and screw. |The included veneers are carved delicately for easy to use. |With the included solar panel and engine, the propeller can rotate in the sun after being assembled. (Note: the helicopter can not fly.). |Can help to stimulate kids' imagination, observation and manipulative ability, cultivate patience and logical ability, learn the knowledge and application of solar energy.