[Sn3amtz]

Can someone make a shop for knife server I need to have

+100 Health
+100 Armor
Semiclip for 30 seconds
Bomber = Give Player 3 he grenades
Faster Speed = 30 seconds
Low Gravity = 1 min
Drugs
Invisible = 30 seconds
GodMode = 30 seconds

[addons_zz]

Give a look on: [API] CS Reward v6.1 (21 Rewards). It is pretty much every thing you said, then you can fallow this to learn about menus, if you do not know already: New AMXX Menu System.