Cubelets Boundless Builder Pack

A little bit of everything. The Boundless Builder gives you access to a full set of Cubelets for the best screen-free robot building experience. It’s the perfect way to introduce STEM, robotics, and computational thinking.

Foster vital thinking skills in your classroom, makerspace, library, or museum. Fascinating and fun, Cubelets nurture your student’s imagination, creativity, and inventive spirit. Cubelets are the building blocks of better thinkers.


Boundless Builder supports one
 student group.

Most educators find groups between 3–5 students work best.

Cubelets Boundless Builder includes.

Brightness Cubelet (x1)
Enable a construction to detect and respond to light.

Distance Cubelet (x2)
Enable a construction to detect and respond to nearby objects.

Temperature Cubelet (x1)
Build robot constructions that react to changes in temperature.

Knob Cubelet (x1)
Build robot constructions with precise data value control.

Battery Cubelet (x1)
Provide the energy needed to power robot constructions.

Inverse Cubelet (x1)
Flip data values, making low values high and vice versa.

Maximum Cubelet (x1)
Pass only the highest data values detected within a construction.

Minimum Cubelet (x1)
Pass only the lowest data values detected within a construction.

Passive Cubelet (x1)
Build bigger robots, without modifying data values.

Blocker Cubelet (x1)
Pass power but block all data values.

Threshold Cubelet (x1)
Block data values below the selected threshold.

Bar Graph Cubelet (x1)
Display block values on a 0–10 scale. Great for debugging.

Speaker Cubelet (x1)
Make robots that beep and chirp based on block values.

Flashlight Cubelet (x1)
Create constructions that shine a dimmable LED light.

Drive Cubelet (x2)
Build robot constructions that navigate their world.

Rotate Cubelet (x2)
Create constructions that whirl and twirl.

Brick Adapters (x4)
Add style and expand building capabilities with LEGO® or other brick building toys. Includes two "studs" and two "sockets" adapters.

Cubelets Container (x1)
A durable padded place to store and transport your Cubelets.

Micro-USB Charging Cable (x1)
Recharge your Battery Cubelet to power your robot constructions for hours on end.