I just built the Crystal Crawler, an official Power Miners combination of the Crystal Sweeper and Claw Digger! It is definitely the best combo set from the first wave of Power Miners,
LEGO 8962 - Power Miners Crystal King Set Review! - YouTube
Crystal King 8962 - Used LEGO® Power Miners™️ Set – Bricks & Minifigs Eugene
Titanium Command Rig - LEGO Power Miners set 8964
Crystal Sweeper - LEGO set #8961-1 (Building Sets > Power Miners)
Crystal Crawler - Brickipedia, the LEGO Wiki
LEGO 8961 Power Miners Crystal Sweeper | BrickEconomy
Amazon.com: LEGO Power Miners Crystal King (8962) : Toys & Games
Crystal King (8962) from Power Miners Review + Justin's MOC Crystal King - YouTube
Amazon.com: LEGO Power Miners Crystal Sweeper (8961) : Toys & Games
Crystal King - LEGO set #8962-1 (Building Sets > Power Miners)
Amazon.com: LEGO Power Miners Power Crystals in 5 Colors Quantity 10 : Toys & Games
LEGO Power Miners - 6x Rock Monster Minifigures Crystals Glaciator Meltrox Firax | eBay
Rock Monster (Power Miners) | Brickipedia | Fandom