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Domino Catapult - Projectile Motion
Repeating X Bow - Latch
Build Box Subscription - Paid Annually - Domestic (Gift)
Mark Rober Glitter Bomb 4.0 Pop Art Graphic T-Shirt (Storm)
Mark Rober Logo T-Shirt (Heather)
Wet Bandit - Water Pressure
Build Box Subscription - Paid Quarterly (Deal)
Build Box Subscription - Paid Quarterly - International (Gift)
CrunchLabs Logo T-shirt (Black)
Strobe Light Animator - Light Refraction
Ball Launcher - Dispenser
Rocket Revolver Refill Pack (Build Box)
CrunchLabs Logo T-Shirt (Gray)
Hack Pack Subscription - Paid Every 2 Months
Disco Dynamo - Generator
Build Box Subscription - 12 month (special offer)
Mark Rober Glitter Bomb Wireframe Hoodie (Black)
Trap Door Maze - Probability
Mark Rober Friend Of Science Joggers (Gray)
Label Maker - Stepper Motor
Build Box Subscription - Monthly
Buzzer Beater - Clutch
Build Box Subscription - Paid annually- demo
Build Box Subscription - Paid Quarterly + Shipping
Micro-Controller Replacement (Hack Pack)
Extendo Grabber - Rack and Pinion
Build Box Subscription - Paid Annually
Build Box Subscription - Paid Quarterly
Build Box Subscription - Paid Quarterly + Shipping (Deal)
Boomerang Car - Worm Gear
Turbine Top - Spin
Discreet Packaging (1st Box Only)
Hack Pack Subscription
Hack Pack Subscription - Paid Semiannually
Trip Wire - Momentum Transfer
Build Box Subscription (special offer)
Mark Rober Friend Of Science T-Shirt (Navy)
Sponsor a Future Engineer
CrunchLabs Logo Hoodie (Black)
Build Box Subscription - Paid Quarterly - Domestic (Gift)
Mark Rober Approved For Scientific Use Packable Anorak Jacket (Black)
Mark Rober Logo T-Shirt (Gray)
Mark Rober Tools Of The Trade Hoodie (Maroon)
Geodesic Kaleidoscope - Light Spectrum
Mark Rober Rocket Club T-Shirt (Forest Green)
Laser Tag - Light Collimation
Build Box Subscription - Paid Annually - International (Gift)
Magnus Flyer - Magnus Effect
Mark Rober Glitter Bomb Wireframe T-Shirt (Black)
Gift a CrunchLabs Hack Pack Subscription!
Mark Rober Logo Blueprint Long Sleeve T-Shirt (Blue)
Galton's Goalie - Bell Curve
Vortex Cannon - Vortex
Aurora Reflector - Iridescence
Lock Box - Pin
Build Box Subscription - Monthly (Conversion from Weekly)
Rocket Revolver - Compressed Air
Squirrel Showdown - Hydraulics
Disc Launcher - Flywheel
Build Box Subscription - Paid annually (special offer)
Drawing Machine - Linkages
Repeating X-Bow Refill Pack (Build Box)
Build Box Subscription - Monthly-demo
Domino Robot - H-Bridges
Paper Airplane Launcher - Springs
Hack Pack Subscription - Paid Annually
Trampoline Toss - Counter
Power Bank Replacement (Hack Pack)
Mark Rober Linear Lines Crewneck Sweatshirt (Dark Heather)
Mark Rober Elephant Toothpaste Glow In the Dark T-Shirt (Green)
Vacuum Chamber- Vacuums
Build Box Subscription
Gift a CrunchLabs Build Box Subscription!
Coin Spinner - Ratchet
IR Turret - Infrared Communication
Build Box annual membership
CrunchLabs Logo Snapback Hat (Gray)
Cipher Machine - Encryption
Sand Garden - Polar Coordinates
Build Box Subscription - Paid Monthly
Gyroscopic Walker - Gyroscope
Build Box Subscription - Paid Semiannually + Shipping
Pre Order Hack Pack Subscription - Paid Annually
Mirror Bank - Mirrors
Build Box Subscription - Monthly + Shipping
Phat Gus Plush Toy
Laminar Flow Fountain - Laminar Flow
Duck Game - Belts
Propeller Launcher - Propellers
Build Box Subscription - Paid Semiannually
Build Box monthly membership
Mark Rober Friend Of Science Joggers (Black)
Air Ball - Coanda Effect
Subscription Boxes
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Gifts (Credits AND Merch)
mnrl-other-exclusions
klaviyo-hackpacks
PS Hack Pack Current Live Subscription