How to Build a Tower of Flashing Lights with Circuit Blox
By Startseite | Published: 2026-10-18
Category: How-to Guides
Learn how to stack LED blocks onto the battery module to create a colorful tower of flashing lights. This step-by-step guide covers assembly, battery setup, and troubleshooting tips.
Quick answer
Stack the LED blocks onto the battery module to build your own tower of flashing lights. The LED blocks work in any direction and change colors, making assembly simple and fun.
Why this project works well for beginners
The Build your own Tower of Flashing Lights set includes 9 total pieces, so there is little to sort or lose. Because the LED blocks work in any direction and also change colors, you can experiment with different stacking orders without worrying about polarity or orientation.
One trade-off: the set requires three AA batteries, which are not included. Make sure you have fresh batteries on hand before you start, or the tower won't light up at all.
Step-by-step assembly
- Insert three AA batteries into the battery module: Open the battery compartment on the base module and insert three AA batteries following the polarity marks (+ and -). Close the cover securely. Common mistake: using old or mismatched batteries. Fresh batteries ensure bright, consistent flashing.
- Stack the first LED block onto the battery module: Press one LED block onto the top studs of the battery module. It will click into place. The block should light up immediately if the module is switched on. If the block does not light, check that the battery module's power switch is in the ON position.
- Add remaining LED blocks in any order: Continue stacking the other LED blocks on top of the first one. Because they work in any direction, you can arrange them vertically, horizontally, or at an angle. Common mistake: stacking too many blocks at an angle can make the tower unstable. Keep the base centered for balance.
- Test the tower and adjust for stability: Turn on the battery module and watch the tower flash. If any block does not light, press it down firmly. If the tower wobbles, rebuild with a straighter stack. The blocks are compatible with other toy brick sets, so you can add a base plate for extra stability if needed.
Product used in this guide
- Build your own Tower of Flashing Lights: Stack the LED blocks onto the battery module and build your own tower of flashing lights. The LED blocks work in any direction and also change colors. Instruction sheet included. 9 total pieces. You don't need to worry about which side is up, so children can assemble the tower without frustration and enjoy multicolor effects immediately.

Build your own Tower of Flashing Lights
