Engineer's Bag of Bricks: What's Inside and How to Use It
By Circuit Cubes | Tenka Inc. | Published: 2026-10-18
Category: Product Reviews
A detailed look at the Engineer's Bag of Bricks from Circuit Cubes, including a full inventory of parts and practical ideas for using them in your builds.
Quick Answer
The Engineer's Bag of Bricks is a versatile parts bundle from Circuit Cubes that includes bushings, pins, gears, axles, connectors, bricks with holes, plates, wheel rims, tires, and a cloth storage bag. It's designed to expand your building options without buying individual pieces.
What Makes This Set Different from Buying Parts Individually?
The Engineer's Bag of Bricks bundles 60+ components into one package, saving you the hassle of sourcing each piece separately. While you could buy individual bricks, pins, and gears, this set gives you a curated selection of the most commonly needed parts for custom builds. The included cloth bag also helps keep everything organized, which is a nice bonus for frequent builders.
Frequently Asked Questions
- What exactly is in the Engineer's Bag of Bricks?
- The bag contains 10 bushings, 10 non-friction pins, 10 friction pins, 10 8-tooth gears, 10 24-tooth gears, 6 9m axles, 6 axle connectors, 4 1x4 bricks with holes, 4 1x12 bricks with holes, 4 4x8 plates, 6 wheel rims with axle holes, 6 wheel rims with regular holes, 6 wheel tires, and a cloth storage bag.
- Can I use these parts with other Circuit Cubes kits?
- Yes, all parts in the Engineer's Bag of Bricks are compatible with standard Circuit Cubes building system components. The bricks with holes, pins, and axles work with any Circuit Cubes motor, battery, or LED cube.
- What kind of builds can I make with this set?
- You can build small vehicles like cars or buggies using the wheel rims and tires, axles, and gears. The bricks and plates allow for structural frames, while the pins and bushings let you create moving joints or secure connections. It's a great foundation for custom robots or mechanical models. Start with a simple two-axle chassis using the 1x12 bricks and 9m axles, then add gears for a drivetrain.
- Is the cloth bag durable enough for regular use?
- The included cloth bag is designed for parts storage and is suitable for keeping the set organized between builds. For heavy daily use, you might want a sturdier container, but it works well for casual storage and transport.
Product Facts
- Engineer's Bag of Bricks: This bundle includes: Bushings [ x10 ] Pins, non-friction [ x10 ] Pins, friction [ x10 ] Gears, 8-tooth [ x10 ] Gears, 24-tooth [ x10 ] Axles, 9m [ x6 ] Axle connectors [ x6 ] Bricks with holes, 1x4 [ x4 ] Bricks with holes, 1x12 [ x4 ] Plates, 4x8 [ x4 ] Wheel rims, axle hole [ x6 ] Wheel rims, hole [ x6 ] Wheel tire [ x6 ] Cloth bag for parts storage. This means you get a balanced mix of structural and mechanical parts, enough to build a small vehicle or add moving elements to a static model right out of the bag.
Engineer's Bag of Bricks
