Quantity   Component name
1 × bluetooth module - hc05 you can use depending on your application.
1 × microcontroller - TM4C123G arm processor if you know well about mc's you can try with other. but, i have uploaded the steps by considering above mc.
1 × bread board and pcb to connect the wires. 1st try with breadboard if you get o/p then go with soldering.
2 × battery operated motors we generally us these for continuous rotation.
1 × l293d motor
4 × wheels
1 × acrylic base use as of your comfor
1 × android based smartphone you need to download bluetooth spp app.
1 × 9v battery depends on usage.