I saw u/secretagentsnail's LEGO DRG concept, so I wanted to chime in with a comparison to the LEGO Power Miners sets. I think taking inspiration from these sets could help improve the
LEGO POWER MINERS CRYSTAL SWEEPER 8961 - YouTube
Peeron: Crystal Sweeper (#8961-1)
LEGO Power Miners 8961 Crystal Sweeper : Amazon.co.uk: Toys & Games
Crystal Sweeper - LEGO set #8961-1 (Building Sets > Power Miners)
LEGO 8961 Crystal Sweeper: 3 NEW SEALED BAGS + STICKERS Power Miners partial set | eBay