help !! need some mini parts

[quadinfamily]

hi guys , my 6 year old son want to try local mx racing and i putting together 2005 dinli 90 dual a-arm .
here my list

koso intake with a 30mm boot

sunworld flat slide throttle cable with the top of the carb plate

shocks front and rear stock one will be fine

air filter 30mm

front hubs

tie rods with ends

nerf bars

kick starter gear and spring

little stuff a-arm bolts , intake gasket ,nut for clutch,

thanks