Why are the cam lobes all wrong in the directions? I mean on the ome bank, the exhaust and intake valves all open at the same time.

I couldn't figure that out either. I don't find it listed anywhere why. I ended up swapping around the cam lobes to match the other side. I appears to be operating correct with way it functions & the spark plug firing. It should have been noted someplace why the cam shaft was different on that side. The only thing I can figure is maybe they are trying to show the way 4 valves per cylinder operate (even though there are only 2).

What are the dimensions when built?

Height 8.5” Depth 8” Length 12”

What kind of tools are needed for assembly?

Generally all you will need is a small precision screwdriver. They send one in the package,however if you a set of precision stew drivers you're good to go.

Anyone know how to reach the vendor (Playz website just sends you to Amazon) I have a defective motor.

If you click on the product you ordered from Amazon you can choose actions and one is to message the actual product store and then you can write a message and Amazon passes it on. I just had to do that for a damaged product return.

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Playz V8 Combustion Engine Model Kit that Runs - Build Your Own STEM Mini V8 Model Engine Kit for Adults & Kids Age 12+, Visible V8 Mini Engine Kit that Works for Adult w/ 270 STEM Parts

Product ID: 136009626

🔋Battery-powered with 3x AA

🧠Boosts critical thinking

⚙️270 precision STEM parts

RM730

Duties & taxes included

In stock

Sold byAmazon MalaysiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚙️ Ignite your inner engineer with the Playz V8 – where STEM meets thrill!

ENDLESS ENGAGEMENT - Fuel hours of fun tinkering with cranks, pulleys, belts, and exhaust valves.
GIFT THAT INSPIRES - Perfect for adults and kids 12+, a standout STEM gift that sparks curiosity and pride.
CREATIVE BRAIN BOOST - Sharpen spatial reasoning and problem-solving skills with every twist and turn.
HANDS ON STEM MASTERY - Build a fully functional mini V8 engine and unlock mechanical engineering secrets.
REALISTIC ENGINE ACTION - Watch pistons pump, fans spin, and hear authentic engine sounds for immersive learning.

The Playz V8 Combustion Engine Model Kit is a battery-powered, hands-on STEM project featuring 270 parts that lets users aged 12+ build a realistic, working mini V8 engine. Designed to enhance mechanical knowledge, spatial reasoning, and problem-solving skills, this kit delivers authentic engine sounds and moving pistons for an immersive educational experience. Ideal for both adults and kids, it’s a captivating gift that combines fun with brain-boosting challenges.

Specifications

ASIN	B07QCQNKG7
Age Range Description	Kid
Best Sellers Rank	#17,184 in Toys & Games ( See Top 100 in Toys & Games ) #142 in Educational Science Kits
Brand Name	Playz
Color	Multicolor
Customer Reviews	4.4 4.4 out of 5 stars (4,951)
Educational Objective	STEM, Spatial Reasoning, Problem Solving Skills, Mechanical Engineering Knowledge
Item Weight	1.8 kg
Manufacturer	Playz
Manufacturer Maximum Age (MONTHS)	144
Manufacturer Minimum Age (MONTHS)	144
Manufacturer Part Number	v8engine
Material Type	Plastic
Number of Batteries	3 AA batteries required.
Number of Players	1
Operation Mode	Manual
Power Source	battery powered
Set Name	V8 Engine
Size	small or miniature
Supported Battery Types	Alkaline
Theme	Vehicle
UPC	850007659028

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