Circuit Cubes

Name

Circuit Cubes

Legal name

Tenka Inc.

Website

https://circuitcubes.com

Company type

Private

Founded year

2015

Operating status

Operating

Headcount range

1–10 employees

Ownership category

akta.pro rank

Product category

STEM Educational Toys

NAICS

Semiconductor and Related Device Manufacturing (334413)

SIC

Games, Toys & Children's Vehicles (No Dolls & Bicycles) (3944), Printed Circuit Boards (3672)

akta.pro primary industry

Maker / DIY Electronics & Physical Computing Platforms (EDAFANAC)

akta.pro secondary industries

LEGO / Block-Based Robotics Programs (EDAMADAD), Electronics, Circuits & Soldering Programs (EDAMADAG)

Keywords

• STEM educational toys
• Electronic building blocks
• Construction brick toys
• Classroom STEM kits
• Bluetooth robotics toys

Headquarters

HQ city

Willits

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2C

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Marketing or Sales, Personnel, Technology or R&D, Operations

Revenue model

1. Hardware Product Sales: One-time purchase revenue from selling electronic building blocks (Circuit Cubes), kits, and individual parts. Products range from individual cubes ($9.99-$24.99) to comprehensive kits ($24.99-$99.99) to parts bundles and accessories.

Pricing tiers

Go-to-market motion2 records

Distribution channels6 records

Marketing channels8 records

Core offering

Circuit Cubes designs and manufactures electronic building block systems (cubes) that snap together and integrate with major construction brick brands to create motorized, powered, and illuminated projects. The product line includes individual electronic cubes (Battery, Motor, LED, Bluetooth, switches), themed build kits with step-by-step instructions, classroom packs, and replacement parts, complemented by a free mobile app for Bluetooth-enabled remote control. The offering targets children ages 8+ through home play and STEM classroom education.

Product overview

Circuit Cubes is an electronic building block system that provides modular electronic cubes (Battery, Motor, LED, Bluetooth) compatible with major construction brick brands. The product portfolio consists of: (1) Core electronic cubes sold individually or in bundles (Battery Cube, Bluetooth Battery Cube, Geared Motor Cube, Cubit Motor Cube, LED cubes, switch cubes); (2) Themed Launch Kits bundling cubes with building parts and instructions (Robots Rumble, Space Rovers, Monster Maker, Gears Go Garage, Gears Go, Robots Roll, Bluetooth Upgrade, STEM Starter, Whacky Wheels, Smart Art, Mechs Move); (3) Classroom packs and curriculum materials for educational use; (4) Replacement parts and accessories; (5) A free mobile app (iOS/Android/Kindle) enabling Bluetooth-based remote control; and (6) C³ membership club for community and early access. The ecosystem enables creative building with electronics while teaching STEM concepts to children ages 8+.

Differentiator

Problem solved

Functional benefit

Products and services

• Robots Rumble Kit A dual-player remote control robotics kit for bot-vs-bot competition. Contains 300+ parts including 2 Bluetooth Batteries, 6 Cubit Motors, and instructions for 5 unique battle robots (Hammeron, Landshark, Buzzsaw, Deadlift, and one unrevealed). Features 2-player Bluetooth app control for competitive play.
• Space Rovers Kit A Bluetooth-enabled remote control robotics kit for building Mars rovers. Contains 100+ parts with 1 Bluetooth Battery, 3 Cubit Motors, and instructions for 3 robotic vehicles (Pioneer, Endurance, Odyssey) plus 1 bonus build. App-based remote control for exploration-themed play.
• Monster Maker Kit A remote control robotics kit for building animated monster creatures. Contains 100+ parts with 1 Bluetooth Battery, 3 Cubit Motors, and instructions for 3 creatures (Sir Chops-O-Lot, Hexaped, Scorpedo) plus 1 bonus build. App-controlled for monster-themed creative play.
• Gears Go Garage Kit A comprehensive remote control robotics kit for building 16 unique vehicles. Contains 200+ parts with 6 Circuit Cubes (Bluetooth Battery, Battery, 2 Cubits, Motor, RGB LED) and detailed instructions. App-based control for vehicle-themed building projects.
• Gears Go Kit A multi-vehicle launch kit for learning mechanical engineering basics. Includes Battery Cube, Motor Cube, RGB LED Cube, and 71 parts with instructions for 5+ vehicle projects plus 4 bonus builds. Features 80+ hours of creative play.
• Robots Roll Kit A multi-vehicle robotics kit featuring Bluetooth connectivity. Includes Bluetooth Battery Cube, 3 Geared Motor Cubes, RGB LED Cube, and 160 parts with instructions for 7+ builds including 3 bonus builds. App-enabled remote control.
• Bluetooth Upgrade Kit An add-on kit for adding wireless Bluetooth app control to existing builds. Contains Bluetooth Battery Cube, 2 Cubit Motors, and 36 parts (bricks, wheels, gears, axles, wires). Enables remote control of any compatible build via the Circuit Cubes app.
• STEM Starter Kit An educational kit designed for educators, science clubs, after-school programs, and homeschoolers. Contains rechargeable Classic Battery, Geared Motor, and LED cubes with materials for 10 projects. Includes 50-page curriculum with lesson plans and 120+ hours of creative play. Compatible with major construction brick brands.
• Whacky Wheels Kit A self-powered vehicle kit for building 10+ different vehicles. Includes Motor, LED, and rechargeable Battery Cubes with wheels and gears. Paper car templates included for various themes (Monster Truck, Space Rover, Parade Float, Deep Sea Explorer).
• Smart Art Kit A creative art kit for making moving scribble-bots that draw spirals and patterns. Includes Motor, LED, and rechargeable Battery Cubes along with markers. Encourages STEAM learning through artistic robot creation.
• Mechs Move Kit A multi-creature kit for building 3+ different mechanical creatures. Includes rechargeable Battery Cube, Motor Cube, and 54 parts (bricks, gears, axles, wires) with instructions and 1 bonus build. Features 80+ hours of creative play.
• STEM Starter Kit - Classroom 10 Pack Bulk classroom pack containing 10 STEM Starter Kits without retail packaging. Includes all materials and directions for 10 projects per kit with downloadable lesson plans and instructions. Designed for educators with 50-page curriculum for deeper learning.
• Cube Combo A bundle of three essential electronic cubes: Battery Cube (3.7-4.2V DC power), Geared Motor Cube (1000+ RPM reduced to 75 RPM with maximum torque), and LED Cube (bright light for searchlights or beacons). The foundational components for building circuits.
• Battery Cube The classic rechargeable power source for circuits. Delivers approximately 3.7-4.2 volts DC. Features power switch with LED indicator (green when on, flashing red for short circuit). Includes microUSB cable for charging. Lithium-ion battery with safety protection.
• Bluetooth Battery Cube A wireless-enabled battery cube with built-in Bluetooth connectivity. Features 3-position switch (ON/OFF/BLUETOOTH) with LED indicator (green for power, blue for paired). Enables remote control of builds via the Circuit Cubes app on iOS, Android, and Chromebook devices.
• Cubit Motor Cube A compact and powerful geared motor cube using planetary gears to reduce high-speed motor output to approximately 160 RPM. Provides torque for gears and wheels. Features three connection ports for maximum versatility with Bluetooth Cube wiring.
• Circuit Cubes Mobile App A free smartphone application available on iOS, Android, and Amazon Kindle Fire. Enables Bluetooth pairing with the Bluetooth Battery Cube for remote control of builds. Features controller interface, PS4 and Xbox controller support, and detailed connection troubleshooting guides.
• Engineer's Bag of Bricks A comprehensive parts bundle for supplementing kit builds or creating custom projects. Includes bushings, pins, gears (8-tooth and 24-tooth), axles, connectors, bricks with holes, plates, wheel rims, and tires. Packaged in a cloth bag for organization.
• Maker Mix A supplemental parts bundle for expanding building capabilities. Contains various bricks, connectors, and structural pieces for custom creations.
• Fun with Switches An educational parts bundle focused on switch-based circuits. Includes Battery Cube, LED Cube, Tilt Switch, Potentiometer, NO/NC Switch, colored wires in various lengths, USB charging cable, cloth bag, and quickstart card.
• 3mm LEDs Individual LED components (3mm size) for replacement or supplementation. Sold as a 2-pack with wires. Build not included.
• 5mm LEDs Individual LED components (5mm size) for adding headlights or lighting effects to builds. Sold as a 2-pack with wires.
• Classroom Curriculum A 50-page STEM curriculum with lesson plans designed for classroom use. Accompanies the STEM Starter Kit and provides structured learning outcomes aligned with educational standards for teachers and homeschoolers.
• Dakar Pre-built Creation A pre-built Dakar creation using Circuit Cubes electronic components. Sold as a completed build for $24.99.
• Tracker Pre-built Creation A pre-built Tracker creation using Circuit Cubes electronic components. Sold as a completed build for $24.99.
• Blink Pre-built Creation A pre-built Blink creation using Circuit Cubes electronic components. Sold as a completed build for $19.99.
• Strumpy Pre-built Creation A pre-built Strumpy creation using Circuit Cubes electronic components. Sold as a completed build for $19.99.
• Sloth Pre-built Creation A pre-built Sloth creation using Circuit Cubes electronic components. Sold as a completed build for $19.99.
• Sir Chops-o-lot Pre-built Creation A pre-built Sir Chops-o-lot creation using Circuit Cubes electronic components. Sold as a completed build for $19.99.
• Nibbler Pre-built Creation A pre-built Nibbler creation using Circuit Cubes electronic components. Sold as a completed build for $19.99.

Quantifiable outcome

• 120+ hours of creative play per STEM Starter Kit
• +2 more outcomes

Named customers6 records

Segments3 records

Ideal customer profiles3 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

One partnership is on record.

• Musical LtdcoreOthersPartnership with Musical Ltd, a leading Hong Kong based toy and consumer electronics manufacturing company. This partnership enables better management of product quality, increased production capabilities, and strong supply chain controls for future expansion.

Scale indicators1 record

Recent moves7 records

Expansion highlights5 records

Direct peers

• littleBits: littleBits makes modular electronic building blocks (snap-together power, sensor, and motor modules) for kids and educators. It is the closest direct peer to Circuit Cubes' modular electronic cube system and competes head-to-head in STEM classrooms and maker kits.
• Snap Circuits (Elenco): Snap Circuits by Elenco is a long-standing line of snap-together electronics learning kits teaching circuits to children. It competes directly with Circuit Cubes in the consumer and educational circuit-learning toy category with similar age targeting and price points.
• Makeblock: Makeblock produces STEM robotics and electronics platforms (mBot, Codey Rocky, Airblock) for kids and educators. It competes with Circuit Cubes in the educational electronics/robotics category, particularly for classroom adoption and maker spaces.
• Eblo (Velleman / E-Blox): Eblo / E-Blox produces snap-together electronic building block kits that teach circuits to children, directly comparable to Circuit Cubes in form factor, age targeting, and classroom/consumer retail channels.

Broad incumbents

• LEGO Education: LEGO Education is LEGO's institutional K-12 STEM product line, including WeDo, Spike, and Mindstorms. It is the dominant brick-based STEM platform and is the most strategically important competitor given Circuit Cubes' LEGO-compatible positioning.
• Sphero: Sphero (which acquired littleBits) produces educational robots (Sphero BOLT, RVR, Indi) and the littleBits electronics platform. It competes with Circuit Cubes across both robotics and electronics-building categories for school and consumer STEM buyers.
• Thames & Kosmos: Thames & Kosmos produces a broad portfolio of science and STEM kits (electronics, physics, chemistry, robotics). Its electronics and engineering kits compete with Circuit Cubes at retail and in the educational STEM toy category, though across a much wider product range.
• Learning Resources: Learning Resources is a major educational toy manufacturer with STEM offerings (STEM Jr., Botley, Coding Critters) sold through teacher supply stores and mass retail. It competes with Circuit Cubes for educational buyer shelf space and classroom STEM budgets.

Emerging players

• Kano: Kano builds computer and electronics kits for kids (e.g., Computer Kit, Pixel Kit, Harry Potter Coding Kit) that teach programming and electronics through hands-on assembly. It overlaps with Circuit Cubes in the STEM electronics-for-kids category with a stronger coding/software tilt.
• Piper: Piper makes Minecraft-themed build-and-play electronics kits (Piper Computer Kit, Piper Make) that teach circuitry and coding. It is comparable to Circuit Cubes as a brick-form-factor electronics learning kit aimed at the same age and education segments.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights6 records

Customer concentration

• YouTubeyoutube.com/c/CircuitCubes/videos
• Facebookfacebook.com/circuitcubes
• Instagraminstagram.com/circuitcubes
• TikToktiktok.com/@circuitcubes
• Pinterestpinterest.com/circuitcubes/_shop
• Xx.com/CircuitCubes
• LinkedInlinkedin.com/company/tenka-labs

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Circuit Cubes