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 POWER MINERS Cave Crusher (8708)- Complete with Instructions - $245.00 | PicClick
1 x Lego System Set Modell Nr. 8708 Power Miners Cave Crusher hell grün schwarz und 1 Miner Figur incomplete unvollständig | Steinpalast EN
USED LEGO POWER MINERS CAVE CRUSHER (8708) - 100% COMPLETE, ALL MINIFIGS, MANUAL | #1732736823
LEGO - Power Miners - 8708 + 8188 - Cave Crusher + Fire Blaster | Barnebys