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Mesozoic Madness at Mini Museum

Get your game faces on—it's time for dinosaurs to go head to head! Welcome to Mini Museum's 2026 Mesozoic Madness bracket! This month, we're putting all our favorite dinosaurs to the test and seeing who comes out on top: visit our Instagram @minimuseumshop to vote in polls all through this month, and follow the bracket winners below!

Ready to join in the fun? We're also giving a 10% coupon code for select Mini Museum items across the shop! Dinosaurs? ✅ Meteorites? ✅ Relics? ✅ It's all on sale! Plus, unlock FREE US shipping on any order over $150!

Today, you can use code MM26 for 21% off select items, AND get FREE US Shipping on any order over $150! Shipping internationally? Shipping rates are $5 off! Stack all these special offers and save!

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{"id":4365895729235,"title":"Tyrannosaurus Rex Bone","handle":"tyrannosaurus-rex-bone","description":"\u003cp\u003e\u003cspan style=\"color: #ff2a00;\"\u003e\u003cstrong\u003eBones of a King!\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0709\/1715\/files\/trex-bone-front_600x600.png?v=1575921219\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eMeasuring 40ft (12m) in length and weighing upwards of 14 tons, Tyrannosaurus rex was one of the largest and most powerful terrestrial predators in history. The most advanced in an 80 million year chain of tyrannosaurid evolution, T. rex had heavy, deep skulls reinforced with sutures, lightened by hollow chambers.\u003c\/p\u003e\n\u003cp\u003eThis specimen is a fragment of Tyrannosaurus rex bone, recovered on private land in South Dakota from the Hell Creek Formation. Sizes and shapes vary widely on this specimen but they are all about 0.50\" to 0.75\" (1.25cm-2cm) in length. The specimen is housed within a glass-topped riker display case. The case measures 4\"x3\"x1\". A small information card is also included.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMore About Tyrannosaurus rex\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0709\/1715\/files\/30-TYRANNOSAURUS-REX_1024x1024.jpg?v=1575921656\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eAbove: How do you like your T. rex? With scales or fluffy like a baby chick? The science is still unsettled about adults as depicted here but juveniles definitely had feathers.\u003c\/em\u003e\u003c\/p\u003e\n\u003cblockquote\u003e\"We need to start thinking of dinosaurs as not just brutes and not just monsters, and not just things with sharp teeth and sharp claws, but as really active, intelligent, energetic animals that oftentimes had keen senses. An animal like T. rex was a predator that used brain and brawn: its big brain, its great sense of smell and its really keen sense of hearing were probably as important to it, if not more so, than its sharp claws and its sharp teeth and its big jaw muscles.\"\u003cbr\u003e\u003cbr\u003e~ Steve Brusatte, Paleontologist, University of Edinburgh, author of \"The Rise and Fall of the Dinosaurs: A New History of a Lost World\" (2018)\u003c\/blockquote\u003e\n\u003cp\u003eVarious mechanical studies of T. rex power place the \"Tyrant Lizard King\" firmly at the top of the charts. 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style=\"color: #ff2a00;\"\u003e\u003cstrong\u003eBones of a King!\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0709\/1715\/files\/trex-bone-front_600x600.png?v=1575921219\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eMeasuring 40ft (12m) in length and weighing upwards of 14 tons, Tyrannosaurus rex was one of the largest and most powerful terrestrial predators in history. The most advanced in an 80 million year chain of tyrannosaurid evolution, T. rex had heavy, deep skulls reinforced with sutures, lightened by hollow chambers.\u003c\/p\u003e\n\u003cp\u003eThis specimen is a fragment of Tyrannosaurus rex bone, recovered on private land in South Dakota from the Hell Creek Formation. Sizes and shapes vary widely on this specimen but they are all about 0.50\" to 0.75\" (1.25cm-2cm) in length. The specimen is housed within a glass-topped riker display case. The case measures 4\"x3\"x1\". A small information card is also included.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMore About Tyrannosaurus rex\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0709\/1715\/files\/30-TYRANNOSAURUS-REX_1024x1024.jpg?v=1575921656\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eAbove: How do you like your T. rex? With scales or fluffy like a baby chick? The science is still unsettled about adults as depicted here but juveniles definitely had feathers.\u003c\/em\u003e\u003c\/p\u003e\n\u003cblockquote\u003e\"We need to start thinking of dinosaurs as not just brutes and not just monsters, and not just things with sharp teeth and sharp claws, but as really active, intelligent, energetic animals that oftentimes had keen senses. An animal like T. rex was a predator that used brain and brawn: its big brain, its great sense of smell and its really keen sense of hearing were probably as important to it, if not more so, than its sharp claws and its sharp teeth and its big jaw muscles.\"\u003cbr\u003e\u003cbr\u003e~ Steve Brusatte, Paleontologist, University of Edinburgh, author of \"The Rise and Fall of the Dinosaurs: A New History of a Lost World\" (2018)\u003c\/blockquote\u003e\n\u003cp\u003eVarious mechanical studies of T. rex power place the \"Tyrant Lizard King\" firmly at the top of the charts. Paired with this incredible power, T. rex also had some of the largest teeth of any carnivorous dinosaur, with the largest measuring 1ft (30 cm).\u003c\/p\u003e\n\u003cp\u003eDespite popular depictions of poor depth perception, studies show that when compared to other giant theropods, tyrannosaurids had a wide postorbital skull which resulted in forward-facing eyes and acute binocular vision. The spine of a Tyrannosaurus Rex was subject to tremendous force. The size and strength of the vertebrae were essential to providing support for this enormous predator, but the entire apparatus also had to allow for rapid changes in movement and critical striking speed.\u003c\/p\u003e"}

Today, use code MM26 for 10% off almost everything in the shop AND get FREE US Shipping on orders over $150! Shipping internationally? Shipping rates are $5 off! Stack all these special offers and save!

Shipwrecked Piece of Eight - Silver Spanish Dollar Fragment

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Rockhound Mini Museum Mystery Box - Series #1 - Gems and Minerals

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Spinosaurus Sail

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William and Catherine Royal Wedding Cake

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Brooklyn Bridge Suspension Cable

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For a limited time, use code MM26 at checkout to take 10% off select items in the shop! Discounts do not include bundles (which are already discounted), third-party products, or apparel. No minimum order! Free shipping only applies for Mini Museum products—third party products are not eligible for free shipping. The sale expires on Sunday, March 8th, 2026, at 11:59 PM ET (GMT-4).

This discount only applies to your product total. It does not apply to shipping costs. It cannot apply to product bundles. This discount cannot be combined with other offers. This discount cannot be used for pre-orders, special offer items, items in BackerKit, or gift cards. No rainchecks for sold-out items or orders outside of the promotion window.