Discovery 4-cylinder engine model KIT

Product description ※Please note that product information is not in full comprehensive meaning because of the machine translation.

Product Explanation ■ We assembled a 4-cylinder engine with 103 parts and studied the mechanism of a motor engine.
The assembled engine model realistically reproduces the valves and spark plugs.
An authentic toy that allows you to watch the piston turning the crankshaft.
The body is transparent so you can see how it functions based on engineering principles.
[Product Details]

Assembled Parts x 103
Batteries : AA dry batteries x 2 (sold separately)
Target Age : 8 years old or older
* For used products, we do not guarantee the battery or remaining battery level. Please note in advance.