Stock Low indicates that I probably have 1-4 of that item remaining. For 4 and 5* materials, 1-2.

0*
Green Shard 40CR
Blue Shard 75CR
Red Shard 40CR
Dark Shard 40CR
Light Shard 50CR

1*
Brimstone 40CR
Bronze Bolt 30CR
Ecto Drop 20CR
Gel Drop 5CR
Scrap Metal 10CR
Sharp Fang 30CR

2*
Blast Powder 50CR
Cooling Cell 50CR
Critter Carapace 100CR
Driftwood 50CR
Forbidden Fruit 75CR
Frayed Fabric 50CR (Stock Low)
Frost Gel 50CR
Fuel Canister 50CR
Gel Core 5CR
Grave Soil 75CR
Gremlin Gizmo 100CR
Iron Gear 100CR
Monster Bone 60CR
Nightshade 50CR
Owlite Feathers 125CR (Stock Low)
Power Cell 60CR
Static Clinger 75CR
Waste Module 75CR

3*
Brute Core 50CR
Bushy Tail 300CR
Drake Scale 300CR
Fine Fabric 400CR
Force Dynamo 350CR
Hailstone 200CR
Phial Of Phear 350CR (Stock Low)
Redwood 350CR
Rocket Sprocket 350CR
Soul Dust 300CR
Thunderball 450CR (Stock Low)
Torchstone 450CR
Toxic Core 200CR
Volt Oil 300CR (Stock Low)

4*
Blaze Pepper 1000CR
Blighted Bone 800CR
Chroma Tear 850CR
Corrosive Acid 1000CR (Stock Low)
Heavy Gear 1200CR (Stock Low)
Ironwood 600CR
Mug of Misery 1500CR (Stock Low)
Rocky Core 200CR
Silver Coil 1200CR
Unstable Core 500CR
Warp Dust 600CR
Miracloth 1200CR
Meteor Mote 1000CR

5*
Dragon Scale 5000CR
Flame Soul 12000CR
Plague Essence 5000CR
Reaper Rib 4000CR (Stock Low)
Royal Core 3000CR

I also have Tokens available for usage- Enough to purchase any 5* Forge Spark Item, 4* Grim Spark item, or 5* Primal Spark Item. If you need something, inquire and we can work something out.