Retail Price: $20.00
Normally $19.95 Today's Sale Price: $18.95 5% off suggested retail...you save $1.05!
Item: EE054 Quantity on Hand: 4
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Leonardo da Vinci improved upon the already-established catapult design when he introduced his own vision the the age-old military launching device. This design uses a double leaf spring to produce a great deal of energy in order to propel stone projectiles or flammable materials over large distances. A hand crank on the side of the catapult was used to load the spring.
The scientific genius of Leonardo da Vinci is brought to life through these 10 articulated models. The inventions that inspired these snap-together replicas are taken from the pages of Da Vinci’s priceless and awe-inspiring notebooks. All models are made of plastic and require no special tools. Manuals are very educational and teach how these inventions have evolved into what they are today.
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Review for Leonardo DaVinci Kits - Catapult
Posted 3/1/2011 by Scott Longnecker
Rating:
3
I used the Da Vinci models as an aid in my classroom to teach students about Da Vinci and other renaissance era artists. The students loved the models but having ordered and paid for the models I expected a little more.
Ensuring our customers' full satisfaction is an art and our lasting aim. We provided our customer the option of return if desired. Please visit the Returns & Exchanges center for details.
Very nice product
Posted 10/26/2010 by Jason Webber
Rating:
4
The real educational value of this product is the manual that comes with the catapult. There is a lot of good, but brief, information about DaVinci and his inventions. There are a couple of typos, but well worth the price. The catapult itself is very easy to assemble and works surprisingly well. I would like to eventually get the entire DaVinci collection.
Product review of Leonardo DaVinci Kits - Catapult
Posted 10/18/2010 by Leslie Allsopp
Rating:
2
I bought this as a model for a Renaissance Science class I am teaching in our homeschool co-op. For an inexpensive plastic model, it looks fine, and captured the kids' interest. It also gave a visual reference for our discussion of Leonardo's design work. For these reasons - I don't regret buying it and am not returning it. As far as actual performance, it was quite disappointing. The simple catapults my mid-elementary kids built as a 10 minute class project were much more effective. They launched a small object almost 3 times as far as the purchased model. "Why the model didn't work as well" became part of the class discussion. Along with poor performance - one of the plastic parts snapped in two while I was assembling it - earning it poor marks on longevity.
Teacher, you score high marks with us! Encouraging analytical thought about "why the model didn't work well" is mind-power well spent. As a catapult part was faulty, contributing to the lack of launching success - we provided a gift certificate for our customer.
What a great new way to knock down green army men! My 9 year old son put it together with a tiny bit of help from me. It's sturdy enough to launch acorns and small stones. I like it because it shows him about torque!
Some alternate spelling variations of this product:
leonardo da vinci, da vinci, davinci, da vinci kits, elenco kits, science kits, models, catapults, catapult model, da vinci catapult, mechanics, mechanical engineering, engineering kits, engineering,
How much will shipping cost?
We offer $3.99 flat rate shipping on all orders shipped via UPS Ground to the contiguous United States. One item or 10 items...it's still just $3.99 for the entire order! If you'd like express shipping options, click here...
When will it be shipped?
Less than 5 units left...place your order now!
This product is in stock and will ship today if ordered by 3:00 p.m. CST.
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Elkhorn, Nebraska USA 68022
