339 results for perpetual
- Kinetic Art Marble Perpetual Machine Sculpture DIY Office Home Desk Ornaments sOpens in a new window or tabBrand New$28.59Free shipping
- Electric Pendulum Ball Toy Rotating Perpetual Motion Machine Physics Home DecorOpens in a new window or tabBrand New$21.10Was: $23.19 9% offFree shippingBuy 1, get 1 16% off with coupon
- Newtons Cradle Pendulum Perpetual Motion Desk Toy Swinging Kinetic Balls OfficeOpens in a new window or tabBrand New$20.82Was: $23.39 11% offFree shipping5% off $30+ with coupon
- DIY Kinetic Art Marble Perpetual Machine Sculpture Office Home Desk OrnamentsOpens in a new window or tabBrand New$25.99Free shipping
- Cradle Pendulum Perpetual Motion Desk toy Swinging Kinetic Balls OfficeOpens in a new window or tabPre-Owned$7.000 bids · Time left2d 1h+$5.90 shipping
- Eureka Crate Perpetual Calender! Cool For Kids!!Opens in a new window or tabBrand New$14.61+$9.37 shippingfrom Canada
- NEW Build A Bot Learning Robotics Dinosaur Blue Perpetual Play Group Toy (SHF)Opens in a new window or tabBrand New$26.99Top Rated PlusFree shippingFree returns
- Newtons Cradle Balance Pendulum Ball Perpetual Motion Physics Pop Toy Decor GiftOpens in a new window or tabBrand New$8.98 to $12.98Top Rated PlusList price: $18.98 32% offFree shippingFree returnsSave up to 10% when you buy more
- KiwiCo Eureka Crate Build Your Own Perpetual Calendar Ages 14+ New in Box NIBOpens in a new window or tabBrand New$14.99Top Rated Plus+$11.10 shippingFree returns
- Kiwi Co Eureka Crates Lot of 2 - Perpetual calendar- Wooden Ekulele NEWOpens in a new window or tabBrand New$49.99+$15.95 shipping
- NOVELTY PERPETUAL MOTION SCIENCE MARVEL WITH ORIGINAL BOXOpens in a new window or tabPre-Owned$19.95Free shipping
- Eureka Perpetual Calendar Stem Kit By Kiwico,NewOpens in a new window or tabBrand New$20.00+$11.60 shipping
- Vtg Kinetic Art Perpetual Motion Mobile Milky Way Rocking Boxing Office Desk ToyOpens in a new window or tabPre-Owned$12.95+$11.00 shipping
- Kiwi Co Eureka Crate Perpetual Calendar Age 14+ #f1593-ecal STEM Engineering BoxOpens in a new window or tabBrand New$79.97+$12.71 shipping
- Newton Cradle Pendulum-Metal Perpetual Motion Toy & Swing Balance Collision BallOpens in a new window or tabBrand New$102.30Was: $110.00 7% off+$5.00 shippingfrom India
- Kinetic Art Perpetual Motion Machine, Perpetual Motion Machine, Newtons ScienceOpens in a new window or tabBrand New$63.99Free shippingFree returns
- Eureka Build Your Own Perpetual Calendar Kit Ages 14 UpOpens in a new window or tabBrand New$29.99+$9.99 shipping
- NIB Kinetic Perpetual Motion Galaxy Desk Art,Gadget Science Geek Office SpaceOpens in a new window or tabBrand New$14.99+$5.07 shipping
- Wheel of the Year - Perpetual Wooden Calendar, Handmade Educational USD $69.95Opens in a new window or tabBrand New$59.46+$26.27 shippingfrom Australia
- SARUT Star finder~identify main stars & constellations~STELLARSCOPE~made FranceOpens in a new window or tabPre-Owned$45.99+$9.00 shipping
- DIY Kinetic Art Marble Perpetual Machine Sculpture Office Home Desk Ornaments eOpens in a new window or tabBrand New$25.99Free shipping
- Perpetual Motion Machine Smithsonian Science kitOpens in a new window or tabBrand New$18.00+$9.00 shipping
- Christmas Creative Gift Perpetual Motion Machine Newtons Science Physics BalanceOpens in a new window or tabBrand New$67.00Free shipping2 watchers
- DIY Kinetic Art Marble Perpetual Machine Sculpture Office Home Desk Ornaments eOpens in a new window or tabBrand New$25.96Free shipping
- THY COLLECTIBLES Kinetic Art Balance Toy - Physics Dynamic Motion Balancing...Opens in a new window or tabBrand New$8.64Free shipping
- DIY Kinetic Art Marble Perpetual Machine Sculpture Office Home Desk Ornaments lOpens in a new window or tabBrand New$25.96Free shipping
- Asteroid Perpetual Motion Revolving Metallic Balls Desktop Kinetic DisplayOpens in a new window or tabBrand New$15.25Was: $16.95 10% off+$9.95 shippingSave up to 5% when you buy more
- Ferris Wheel Magnetic Perpetual Motion Ball Desktop Pendulum Ball Birthday GiftOpens in a new window or tabBrand New$13.99+$4.00 shippingfrom China
- Kinetic Art Marble Perpetual Machine Sculpture DIY Office Home Desk Ornaments kOpens in a new window or tabBrand New$26.25Free shipping
- 24V Bedini motor brushless motor model DIY pseudo perpetual motion machineOpens in a new window or tabBrand New$76.00Was: $80.00 5% off+$20.00 shippingfrom ChinaFree returns
- Kinetic Art Marble Perpetual Machine Sculpture DIY Office Home Desk Ornaments ZOpens in a new window or tabBrand New$23.09+$3.59 shippingfrom China
- Robotime 3D Puzzle Wooden Puzzle Craft Perpetual Motion Water Wheel Orbital UpgrOpens in a new window or tabBrand New$73.49+$4.28 shippingfrom JapanFree returns5 watchers
- Kinetic Perpetual Motion Galaxy Desk Art, Gadget Flips and Rotates, Science GeekOpens in a new window or tabPre-Owned$17.10Was: $19.00 10% off+$9.72 shipping
- Desktop Pendulum Golfer Electromagnetic Motion for Office SchoolOpens in a new window or tabPre-Owned$19.95Top Rated Plus+$5.95 shippingFree returns
- Kinetic Art Perpetual Motion Device Toy for Teaching Kids Science Physics GadgetOpens in a new window or tabBrand New$83.25Free shippingFree returns
- Kinetic Art Marble Perpetual Machine Sculpture DIY Office Home Desk OrnamentsOpens in a new window or tabBrand New$26.25Free shipping
- Revolving Gadget Perpetual Motion Physics Science Teaching Aids Desk DecorOpens in a new window or tabBrand New$14.25Was: $15.00 5% offFree shippingfrom China
- Newton Pendulum Ball Balance Ball Rotating Perpetual Motion Physical ScienceOpens in a new window or tabBrand New$32.19Free shippingfrom Hong Kong
- Electronic Perpetual Motion Desk Toy Revolving Balance Balls Physics Science ToyOpens in a new window or tabBrand New$17.09Was: $18.58 8% offFree shippingLast one
- Sarut Stellarscope Hand Held Star Sky Map Constellation Finder Scope Manual 1997Opens in a new window or tabPre-Owned$18.00+$6.34 shipping
- Newtons Cradle Balance Pendulum Ball Perpetual Motion Physics Pop Toy EducationOpens in a new window or tabBrand New$9.91Free shipping
- NEW Bedini Motor Brushless Motor Pseudo-Perpetual Motion Machine Assembled ToyOpens in a new window or tabBrand New$71.25Was: $75.00 5% off+$5.00 shippingfrom ChinaFree returns
- BRAND NEW IN BOX! Kiwi Co Eureka Crate Perpetual Calendar Age 12+Opens in a new window or tabBrand New$29.99Free shipping
- DIY Kinetic Art Marble Perpetual Machine Sculpture Office Home Desk OrnamentsOpens in a new window or tabBrand New$24.99Free shipping
- Kinetic Art Marble Perpetual Machine Sculpture DIY Office Home Desk Ornaments COpens in a new window or tabBrand New$20.98+$1.98 shippingfrom China
- perpetual motion device Chic Newton Balance Perpetual Motion Desk ToyOpens in a new window or tabBrand New$28.02Was: $29.49 5% offFree shippingfrom China
- Annularity Model Multiple Uses Rust-proof Rotating Perpetual Motion Balan SilverOpens in a new window or tabBrand New$13.52Free shipping
- ENGENIUS CONTRAPTIONS perpetual motion double marble run NewOpens in a new window or tabBrand New$27.99+$11.40 shipping
- Weightlifter Gadget Perpetual Motion Desk Art Toy Gift Office Decora N TP J# WaOpens in a new window or tabBrand New$3.98+$0.56 shippingfrom China
- DIY Kinetic Art Marble Perpetual Machine Sculpture Office Home Desk OrnamentsOpens in a new window or tabBrand New$27.49Free shipping
- Kinetic Art Perpetual Motion Machine Sculpture Office Home Table Ornament GiftOpens in a new window or tabBrand New$24.97Free shipping
- Metallic Balls Desktop Kinetic Display Asteroid Perpetual Motion Spinning WheelOpens in a new window or tabBrand New$19.99+$15.45 shipping
- THY COLLECTIBLES Kinetic Art Balance Toy - Physics Dynamic Motion Balancing...Opens in a new window or tabBrand New$9.64Free shipping
- Revolving Gadget Perpetual Motion Desk Office Decor Art Toy Physics Science LIFOpens in a new window or tabBrand New$16.67Was: $17.55 5% offFree shippingfrom China
- Stellarscope Star Locator. Exc. Made in France.Opens in a new window or tabPre-Owned$15.00+$8.45 shipping
- Kinetic Art Marble Perpetual Machine Sculpture Office Home Desk Ornaments fOpens in a new window or tabBrand New$26.25Free shipping
- DIY Kinetic Art Marble Perpetual Machine Sculpture Office Home Desk Ornaments dOpens in a new window or tabBrand New$26.25Free shipping
- Newtons Cradle Pendulum Perpetual Motion Desk Toy Swinging Kinetic Balls OfficeOpens in a new window or tabBrand New$15.74Was: $17.89 12% offFree shipping5% off $30+ with coupon
- Newtons Cradle Pendulum Balance Ball Perpetual Motion Physics Pop Toy Decor GiftOpens in a new window or tabBrand New$9.78Was: $10.29 5% offFree shippingSave up to 20% when you buy more
- Ball Perpetual Motion Physics EducationalOpens in a new window or tabBrand New$14.90Was: $15.68 5% offFree shippingfrom China
- Kiwi Co Eureka Crate - Build Your Own Perpetual Calendar - Brand New/Open BoxOpens in a new window or tabBrand New$21.89+$14.58 shippingfrom Canada
- 6PCS Drinking Bird Perpetual Motion Preschool Educational Toys Beak BalancingOpens in a new window or tabBrand New$11.58Was: $12.19 5% offFree shippingExtra 5% off with coupon
- Kinetic Art Perpetual Motion Machine Sculpture Office Home Table Ornament GiftOpens in a new window or tabBrand New$24.97Free shipping
- Globe Model Exquisite Stable Perpetual Motion Toy Display Mold SilverOpens in a new window or tabBrand New$12.84Was: $13.52 5% offFree shipping
- MIOB 1990 STELLARSCOPE Perpetual ID & LOCATION of STARS & CONSTELLATION FINDEROpens in a new window or tabPre-Owned$15.99+$12.10 shipping
- DIY Kinetic Art Marble Perpetual Machine Sculpture Office Home Desk Ornaments FOpens in a new window or tabBrand New$23.53+$3.77 shippingfrom China
- DIY Kinetic Art Marble Perpetual Machine Sculpture Office Home Desk Ornaments COpens in a new window or tabBrand New$27.49Free shipping
- Globe Model Multiple Uses Rust-proof Perpetual Motion Ferris Wheel Displa SilverOpens in a new window or tabBrand New$14.94Free shipping
- Kinetic Art Perpetual Motion Machine Sculpture Office Home Table Ornament GiftOpens in a new window or tabBrand New$22.25+$3.89 shippingfrom China
- Kinetic Art Perpetual Motion Device Toy for Teaching Kids Science Physics GadgetOpens in a new window or tabBrand New$74.70Free shippingFree returns
- DIY Kinetic Art Marble Perpetual Machine Sculpture Office Home Desk Ornaments BOpens in a new window or tabBrand New$24.97Free shipping
- ENGENIUS CONTRAPTIONS build your own model perpetual motion double marble runOpens in a new window or tabBrand New$39.99+$11.25 shippingFree returns
- Kinetic Art Marble Perpetual Machine Sculpture DIY Office Home Desk Ornaments HOpens in a new window or tabBrand New$22.25+$3.89 shippingfrom China
- DIY Kinetic Art Marble Perpetual Machine Sculpture Office Home Desk Ornaments lOpens in a new window or tabBrand New$28.59Free shipping
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