There are, and they're finally getting cheap! https://www.ebay.com/itm/114268507196 https://www.ebay.com/itm/114268507196 $4-5 USD per unit really isn't bad (

There are, and they're finally getting cheap! https://www.ebay.com/itm/114268507196 https://www.ebay.com/itm/114268507196 $4-5 USD per unit really isn't bad (plus power supply and resistors or controllers) compared to what they were a few years back. (saw these on extractions & ire, the ones he got must be very durable since he way way way overpowered them)