DescriptionMade of wood, the DIY machinery assembly toy is durable with exquisite looking.It will teach them to follow simple instructions and improve their hand-eye coordination. Cultivate children's interest and creativity. This is a unique gift for your kids.Features- Color: As Shown - Material: Wood, iron, steel - Size: About 22.00X16.00X10.00cm/8.65X6.29X3.93in - It is well-made of premium and sturdy materials, safe and practical for long-lasting using time. - Excellent 3D wooden puzzles. After finished, you can run marbles through it!- It is an educational toy that can provide opportunities to learn scientific principles. - Through DIY track roller projects, you can exercise their own hands, thinking, exploring, creating ability.- It can also be a brain-teaser puzzle. It's a highly educational construction experience that satisfied you.
