eitech Metallbaukasten

Spur differential

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$21.59 $29.99 In stock

With 129 components, this accessory set offers endless building and playing fun for children aged 8 and over and adults. A differential allows wheels to turn at different speeds in curves, which is essential for realistic vehicle models.



The set can be used individually as a teaching aid and visual aid, as well as being built into your own models. With a little creativity, for example, the pick-up (00225), the wheel loader (00330) or the mega caterpillar (00019) from eitech can be converted to drive.



Technical understanding and manual skills are encouraged in a playful way, while impressive mechanical models are created. Whether as a stand-alone set or as an addition to existing construction kits - the eitech spur gear differential promises fascinating hours full of technical creativity and the joy of learning.



3x AA batteries are required for the drive (not included).


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Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

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Express Shipping · United States: $3.99

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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

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Customer Reviews (4.0 / 5 · 5 reviews)

Violet J. ★★★★★

Assembling this with my 8-year-old was surprisingly fun—the way the differential lets each wheel spin independently on turns really makes the builds work smoothly. We've already rebuilt the model three times this week.

Sophia K. ★★★★☆

My kid loves figuring out how the 129 pieces fit together, and it’s been great for teaching them about gear mechanics. The differential really does let the wheels spin at different speeds when turning, which makes their custom cars handle corners smoothly. Just wish the box had a clearer label for s

Eli F. ★★★★☆

The 129 pieces kept my 11-year-old busy for a couple of hours, and the way the differential works in curves is pretty neat. I just wish the instructions were a bit clearer for some of the trickier steps.