littleBits Mechanical Arm

$1.38 ~~$1.95~~ In stock

The littleBits Mechanical Arm is an accessory designed to expand the possibilities of your littleBits creations. It offers a hands-on way to explore mechanical motion and build interactive projects.

Compatible with littleBits system for seamless integration.
Choose between two adapter options: Mechanical Arm (D Shaft) or Mechanical Arm (Cross-Axle) to fit your build needs.
Suitable for elementary, middle, and high school grade levels, making it a versatile educational tool.
Encourages STEM learning through creative construction and experimentation.

Customer Reviews (5.0 / 5 · 2 reviews)

Jacob ★★★★★ Oct 13, 2026

The arm snaps right onto the bits we already had, and watching it swing the whole thing around never gets old. It's a simple add-on but it turned our static circuit into something that actually moves.

Matthew R. ★★★★★ Oct 12, 2026

My kid has been obsessed with robotics since we got this arm, and watching it actually grab and lift small objects is way cooler than I expected. The way it snaps onto the existing bits makes the whole build feel more like real machinery.