感谢虎哥，以下是补充项目：

名称                                                                                          来源    价格
星孔装药模具                                                                          定做    240
燃料等等                                                                                  本地    100
PVC外壳及发射井导轨材料                                                  本地    100
微型密拍设备                                                                          淘宝    150
单片机及其数传模块                                                              淘宝    200+
弹性预算                                                                                              200                                            
240+100+100+150+200+200=1000
弹性预算说明：应对可能产生的意料外的费用，如材料实际购买价格超过预算等等。活动后详细报告出具体花费。多余部分退还至科创论坛。