do you have the cage's dimensions? this is important to know because even though the cage may seem big, it may not be enough.
dowel perches are unhealthy for your bird's feet. the consistent texture of it can cause them foot sores or even bumblefoot
. natural wooden perches are way better for them. you can buy them online or make your own using these guides
safe natural woods for budgies
Natural Branch Perches | DIY - YouTube
sanded perches are also unhealthy for birds. they can hurt their delicate feet and the budgies may also nibble on them and eat the sand coating, making them sick and hurting their crop. if you have a variety of natural perches it should be enough to file your birds nails.
a calcium block is a very good addition to the cage
the swing is a very good toy! most budgies love it. you may want to invest in a bigger variety of toys, however, because you'll need to rotate their toys and perches evey few weeks to keep them entertained.
be advised though that not all products marketed towards birds are actually considered safe. please consult these links
dangerous toy list
Products to Avoid | Topics - YouTube
also, please make sure to visit the forums nutrition and diet
it is great you are consulting the forum before getting your budgies
i cant wait to see pics! will they be tame?