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
Crystal Sweeper : Set 8961-1 | BrickLink
Lego Power Miners 8961 Crystal Sweeper - YouTube
LEGO Power Miners 8961 - Kristallsammler: Amazon.de: Spielzeug
Review: 8961 Power Miners ~ Crystal Sweeper - LEGO Action and Adventure Themes - Eurobricks Forums
LEGO part 61678pb026 - Lime Slope, Curved 4 x 1 No Studs with 'FUEL', Orange Arrow and Rusted Filler Cap Pattern (Sticker) - Set 8961 at BrickScout
1x LEGO Building Instruction Booklet 2 Power Miners Crystal Kristallsammler 8961 | eBay