Slingshot / Catapult – Every kid’s favorite thing to do with a rubber band, but if you think hard enough, I bet there are some practical uses for making one of these.
2
避免投射类的玩具,例如飞镖,弓和箭以及点燃弹射类的玩具。
Avoid projectile toys, such as darts, bows and arrows, and missile-firing toys.
3
机身头部下缘一弹射挂钩部位,可以将该飞机模型玩具弹射而出,提高初速度。
An ejection hook part at the lower edge of the fuselage can eject the aircraft model toy out to improve the initial speed.