Scripts: their are 10 scripts to pick from
Costumes: their are 4 options to pick from and you can either pick out a costume or you can make your own costume for the sprite
Sounds: their are three options to pick from and you can record and sound or pick a sound out from your own library
Backdrop: You can choose a backdrop or make a back drop or pick on from your own library
Sprites: you add any sprite you want into your browser and you can used blocks to make each on do a different thing