a simple cheep to build rc crawler you can buy all parts on amazon receiver+esc hear https://www.amazon.com/WOAEIUOS-Receiver-Transmitter-Controller-Specially/dp/B0CSY8PLXT/ref=sr_1_6?crid=1050MIZ68AX1L&dib                                                               motors hearhttps://www.amazon.com/Aoicrie-Electric-Magnetic-Engine%EF%BC%8CDIY-Vibration/dp/B083BDW3FD/ref=sr_1_12?dib                                                                                                               servo hearhttps://www.amazon.com/Dorhea-Arduino-Helicopter-Airplane-Walking/dp/B07Q6JGWNV/ref=sr_1_11?crid                                                                                                        screws hearhttps://www.amazon.com/dp/B0FBWFNSNH?ref=ppx_yo2ov_dt_b_fed_asin_title&th=1                  you can put scx24 wheels and tires with the included scx24 tire axles. and you also can use a stock scx24 receiver and controller you may need thesehttps://www.amazon.com/Luatoxry-Connector-Extension-Balancing-Replacement/dp/B0FKRTXG69/ref=sr_1_2?crid to solder on to the motor and to plug in to the receiver unless you have a old scx24 motor, also for scx24 tire mounts you will need some scx24 screws for battery's I recommend these as for they come with a chrger https://www.amazon.com/URGENEX-Battery-Rechargeable-Lithium-Compatible/dp/B0FDB5SXRW/ref=sr_1_16?crid=  i also i stripped out the sg90 sort of quickly so i have added a file for some stronger mg90s servos find them hear https://www.amazon.com/Beffkkip-Helicopter-Servos-Arduino-Project/dp/B07L6FZVT1/ref=sr_1_7?crid build instructions coming soon