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Launch Like Leonardo
WARNING: CHOKING HAZARD-Small Parts. Not for children under 3 yrs.
Based on drawings from DaVinci's Codex Atlanticus, this Pathfinders catapult kit uses a pair of bent wooden arms as springs to launch clay balls (included) over (4) meters at enemy fortifications (not included, go make your own enemies). The assembled model will be approx 9" tall on a 10" x 7-1/4" base. Made from pre-cut, untreated wood from sustainable forests, and built with pegs for added strength and verisimilitude. For ages 12 and up.
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94075 DAVINCI CATAPULT |
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Beauty Of A Stirling Engine
Use this little stainless beauty to teach teenagers and older students how heat engines work Then keep it on your desk, where you deserve to have it! This low-temperature-differential Stirling engine is beautifully machined. It works with hot water, ice water, a combination of hot water with ice cubes, or a hair dryer. It measures 5-3/4" tall with a 3-5/8" dia flywheel and a 3-1/2" dia x 7/8" tall base. The speed with hot water is approx 150 rpm. This is a real showpiece, the best we've ever seen at this price. Includes a 7-page instruction booklet.
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94353 LOW TEMPERATURE STIRLING ENGINE |
Filthy Lucre
WARNING: CHOKING HAZARD-Small Parts. Not for children under 3 yrs.
For archeologically minded numismatists, now comes the "Dirty Old Coins" kit, complete with (5) genuine, hand-struck ancient coins from 1,500 to over 2,000 years old, all with their own authentic dirt and ancient schmutz still attached. All "Made in the Roman Empire. Assembled in the U.S.A." You get a 12pp instruction booklet, a PC or Mac-compatible CD-ROM coin image database for identification, a stiff brush, double-lens magnifier, and cleaning and de-corrosion fluids. Most coins will be worth a few dollars, the supplier says, but some rare finds could be worth "hundreds or even thousands." Plenty of fun either way.
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93364 DIRTY OLD COINS |
Motor Along
WARNING: CHOKING HAZARD-Small Parts. Not for children under 3 yrs.
Everything you need to build a little DC motor is included in this kit (except sandpaper, screwdriver, scissors and, of course, an AA battery). The instructions are simple and explain the theory as well as assembly. Fun and educational.
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91508 TOY MOTOR KIT |
Electric Motor and Magnet Kits
WARNING: CHOKING HAZARD-Small Parts. Not for children under 3 yrs.
A trio of the best science education kits we have seen dealing with electricity, magnetism, motors and generators. The 44 page instruction booklets are educational and complete; state problem, approach and explain what is happening for a series of projects of graded difficulty. The Motor/Generator kit includes several introductory experiments on magnetism as well as six complete motor generator projects. The Electromagnet kit provides experiments including the building of an electromagnet, a doorbell chime, a telegraph, a relay and an electric catapult. The Levitation Set experiments with magnetic fields, gravity, and equilibrium; plus everything you need to build a magnetic levitation train! All are complete except for batteries. Strongly recommended for their quality, the accuracy of their science and the interest they will sustain. Ages 10-18.
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89339 ELECTROMAGNET KIT | |
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89714 MAGNET LEVITATION KIT | |
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89338 MOTOR/GENERATOR KIT |
Really Big T-Rex
WARNING: CHOKING HAZARD-Small Parts. Not for children under 3 yrs.
Impressive, this 3-foot Lizard King. The 1:14 scale plastic model of a Tyrannosaurus Rex skeleton has 51 bones that snap together, then snap apart easily for later use, which is more than you can say about the original. Measures 36" long, and comes with a display stand. Bones are nicely aged for paleontological verisimilitude. Very nice kit, with legs, as they say! For ages 8 and up.
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93872 T-REX SKELETON |
Scope This Out
Emulate Galileo and make your own refracting telescope. This is a great science fair kit. It includes (2) glass lenses for 6X magnification, plus (2) 3" and (2) 8" long cardboard tubes for the housing. Finished scope will have an approx 14" working length.
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94139 STUDENT TELESCOPE MAKING KIT |
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Whirlaway
WARNING: CHOKING HAZARD-Small Parts. Not for children under 3 yrs.
Teach the children how the wind can create electricity with this Savonius windmill generator kit. Whozit? Glad you asked: this vertical-axis wind turbine generator was perfected in 1922 by Sigurd J. Savonius, the Finn with the Wind. The airfoils (scoops, really) are like two offset vertical halves of a can. The finished windmill model is 7-5/8" tall x 6" square and comes with plastic airfoils, a wooden frame, (4) pre-wound coils, magnets and a bipolar LED so you can see the power being generated. Easy assembly with a screwdriver, pliers and a touch of glue. For ages 8-100, for science fairs, home schooling, or green fun!
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94328 SAVONIUS WINDMILL GENERATOR KIT |
Rainless Rainbows
Rainbow fans are no longer slaves to the weatherperson with the Solar Rainbow Maker. You assemble the little solar-powered motor, stick it on the inside of your window, hang the (3) glass crystals from it and your room is like unicorn heaven with rainbows bouncing off every surface. Motor is approx 2" sq and crystals are 5/8", 7/8" and 1-1/8" across.
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94366 SOLAR-POWERED INDOOR RAINBOW MAKER |
Whiz Kits
WARNING: CHOKING HAZARD-Small Parts. Not for children under 3 yrs.
For whiz kids of all ages from ScienceWiz™. All created by Berkeley science-education whiz Penny Norman, Ph.D., and all attractively boxed, with lavishly illustrated 30-48pp instruction books. The Inventions kit has (4) projects: using a small motor as a generator; building a telegraph; a DC motor; and an AM radio. You add a “D” battery. The Energy kit has (22) projects, including a flywheel generator, solar racer, and making a battery. You add a 9V and several “D” batteries. Both also use household items. Both are for ages 8 to 80. AWARDS: National Parenting Publications Awards Gold, Creative Child Magazine Top Choice, Scientific American Young Readers Book Award, Dr Toy 10 Best Educational Products
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93774 ENERGY | |
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93772 INVENTIONS |
The Original Embeds
WARNING: CHOKING HAZARD-Small Parts. Not for children under 3 yrs.
You'll really dig these terra cotta Chinese soldiers, replicas of the standing statuary army of Qin Shi Huang, China's first emperor, made in approx 210 BCE and discovered in 1974 in Xi'an. You get a 6-3/4" x 3-1/4" x 1" thick block of earth-colored plaster and a small brush and wooden chisel for your own archeological excavation. Pick from the figures below, or the bonus pack of all (5). (Note: there were 8,000 statues found at Xi'an, so a real archeology buff would order 1,600 of the 5-packs.)
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40767 TERRA COTTA CHINESE ARMORED SOLDIER | |
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40765 TERRA COTTA CHINESE ARMY GENERAL | |
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40766 TERRA COTTA CHINESE ARMY ROBED SOLDIER | |
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40769 TERRA COTTA CHINESE ARMY SOLDIER RIDER | |
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40768 TERRA COTTA CHINESE ROBED OFFICER |
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