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Motor Works | 
 enlarge | Brand: NSI
Category: Toy
List Price: $29.99
Buy New: $24.99
You Save: $5.00 (17%)
New (9) from $24.99
Avg. Customer Rating:  12 reviews
Sales Rank: 14837
Batteries: 2
Batteries Included: No
Age: 8 - 14 years
Shipping Weight (lbs): 3
Dimensions (in): 4 x 12.8 x 18
MPN: 0578090804
Model: 90805
UPC: 042409908051
EAN: 0042409908051
ASIN: B000246MNS
Release Date: April 1, 2007
Availability: In stock soon. Order now to get in line. First come, first served.
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| Features:
| • | Learn how a real engine works | | • | A real working battery powered 4-cylinder model engine with real lights and sounds | | • | Watch the spark plugs fire and the valves open and close | | • | Includes lights and sounds. |
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| Accessories:
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| Editorial Reviews:
Product Description
Build an authentic, working engine and learn the mechanics of how motors work. Valves rock, spark plugs fire and pistons drive the crankshaft. Internal and external moving parts. Over 100 working parts. Battery-operated moving engine. Includes screwdriver and instructions. Ready, set, build your own engine! Safety warning: This product contains small parts that may present a choking hazard for young children.
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| Customer Reviews: Read 7 more reviews...
Colossal disappointment January 5, 2009
Mom and grandad built this because he lost interest after ten minutes when we were still figuring out which way round everything went. A bunch of tiny screws that mom had to screw into very fragile plastic. No explanation to kids about what the parts of the engine actually did in reality. A much smaller toy than we imagined and once it is built you'd be absolutely crazy to take it apart to construct again. There is no way an 8 yr old would have the mental endurance or interest to stay with this project from start to finish. But hey, it lights up!
Tips for assembly December 26, 2008
Yes, yes to the other reviews. Lots of potential, but a disaster as is.
Do this at a minimum:
Use a high-quality screwdriver. Don't bother with the included one.
Drill out every screw hole with a 5/64th bit. The screws will still be hard to get in all the way. You might want to also do what I did: After the 5/64th bit, use a 3/32 bit just a little ways into the screw holes, so there is less self-tapping the screw has to do. If you drill all the way to the bottom of the holes with the 3/32nd, the screws will just fall in. (If you have an 11/128th bit, you're probably set! Never heard of one of those though.)
Poor Design - Do not Buy November 27, 2008
1 out of 1 found this review helpful
I am on board with others who have reviewed this product. Let me start by saying that I am an engineer and I am mechanically inclined. me an my 8 year old son built this in about 3 hours. He sensed my frustration and did not truly enjoy the project.
1. The screw holes were not tapped completely causing stripped screw heads, stripped screw driver heads and stress fractures on the plastic parts.
2. The instructions were vague and in many cases inaccurate. I found a better set online after I had finished putting it together. The instructions for the Cam assembly were completely wrong.
3. The spark plugs do not have anything to hold them on the engine so they keep falling out.
4. The battery pack that runs the motor and the spark plug lights was defective. The power plug on one side was to big for either of the plugs so you can run the motor or the lights but not both at the same time.
My son is really into mechanics and cars and this did give me a chance to show him how the motor works so it was not a complete waste.
 excellent model October 28, 2008
0 out of 1 found this review helpful
excellent model.. Eric the dude must not have ever built a car model. This was not hard at all and went together perfectly. As a kid I have built models that were much harder. Everything works perfectly. All th eparts fit perfectly. Use a good screwdriver and you will be fine. If anyone wants a vid of it in action email me. I do not recommend this for an 8 year old though. Much too hard to screw in the non tapped screws for a kid. HIGHLY recommended and the insctructions are not the best.. (just think I was gonna listen to others and cancel my order, glad I did not)
Get piece for young boys October 20, 2008
0 out of 1 found this review helpful
It was a hit. My nephew, and brother, loved it. Very educational about workings of an engine.
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