Matter Items
These are most of the items from previous editions of our monthly box of Matter.
To date, we've featured over 400 unique items with fascinating scientific properties. Items not present here are no longer available, typically due to rarity.
LIMITED TIME: To celebrate the 100th box-iversary of our Matter science box, take 50% off $70 in our Matter Items collection.
Use code 5070
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Universal pH Paper (80 strips) 
SaleUniversal pH Paper (80 strips)
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RFID Antitheft Crossbody Bag -
SR-71 Blackbird | Authentic Titanium Skin Fragment 
SR-71 Blackbird | Authentic Titanium Skin Fragment
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Space Blanket -
Punched Computer Tape Section -
Golden Gate Bridge Steel Cable (Suspender Rope) Section 
SaleGolden Gate Bridge Steel Cable (Suspender Rope) Section
$34.50Sale price $34.50 Regular price $39.00 -
Ferrocerium Fire Starter -
Audubon Bird Call -
Stromatolite -
Sea Urchin Spines - 3-pack -
Tektite -
Bristlecone Pine Seeds -
Giant Sequoia Seeds -
Matter: Legacy Box -
Japanese Star Sand -
LED Ultraviolet Flashlight -
30x Loupe -
Owl Pellet Dissection Kit
