eitech Metallbaukasten

Expansion set

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$72.99 $99.99 In stock

Get creative with the eitech expansion set. With over 380 pieces, this set is perfect for endless creativity and expanding your own projects.

The perfect addition to all eitech metal construction kits as well as all other construction kits that use the metric system (M4) as hole spacing.

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

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

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Delivery costs

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Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

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Returning an item

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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 (4.4 / 5 · 5 reviews)

Andrew ★★★★★

I was pleasantly surprised how easily these metal strips and brackets connect to my existing kit—the holes line up perfectly. It really opens up building larger, more complex structures than the starter set allowed.

Harper H. ★★★★★

The extra 380 pieces gave me exactly the flexibility I needed to reinforce the frame on my latest build. The metal beams snap together with a satisfying click, and there is enough variety in the connectors to try different angles. I am already planning my next project with the leftover parts.

Matthew A. ★★★★★

I was surprised by how many useful beams and brackets are in this 380-piece set—finally I can build a sturdy frame for my crane project. The metal pieces fit perfectly with my existing kit and the instructions are clear enough to combine them easily.