Tenka Inc. / 291 School Street, Suite 3 / Willits, CA 95490. Designed by Tenka Inc. in
California, USA. Assembled in China. Please retain this information for future reference.
Images for illustration purposes only. Actual product may differ.
PATENTS Circuit Cubes is a registered trademark of Tenka Inc. ©2020 Tenka Inc. All
rights reserved. Patent approved. For details visit: circuitcubes.com/patents
IMPORTANT SAFETY INFORMATION Handle Circuit Cubes with care. They contain
sensitive electronic components, including batteries, and can be damaged or cause
injury if dropped, burned, punctured, crushed, disassembled, or if exposed to excessive
heat or liquids. Do not use damaged Circuit Cubes.
BATTERIES The battery is non-replaceable. Do not attempt to replace the batteries
yourself. You may damage the batteries, which can overheat and cause injury. Do
not expose battery to water or allow the battery to get wet. Circuit Cubes are only
intended to work with one Battery Cube in a circuit — parts may fail if you add multiple
Battery Cubes in a circuit.
BATTERY DISPOSAL The lithium-ion batteries in your Battery Circuit Cube should
be recycled by Tenka Inc. or an authorized service provider. For more information
about Tenka Inc. lithium-ion batteries, go to: circuitcubes.com/pages/cubecare.
BLUETOOTH The Bluetooth® word mark, BLE® and affiliated logos are registered
trademarks owned by Bluetooth SIG, Inc, and any use of such marks by Tenka
Labs, Inc. is under license. Apple® and the Apple logo are trademarks of Apple, Inc.,
registered in the U.S.A. and other countries. App Store® is a service mark of Apple, Inc.
Android®, Google Play™ and the Google Play logo are trademarks of Google, Inc. Not
all Bluetooth® and BLE® devices are compatible. Go to: circuitcubes.com/faq for a list
of compatible devices and more information.
COMPLIANCE Regulatory Compliance Information, FCC Compliance Statement: This
device complies with part 15 of the FCC rules. Operation is subject to the following two
conditions: (1) This device may not cause harmful interference, and (2) this device must
accept any interference received, including interference that may cause undesired
operation. Note: This equipment has been tested and found to comply with the limits
for a Class B digital device, pursuant to part 15 of the FCC rules. These limits are
designed to provide reasonable protection against harmful interference in a residential
installation. This equipment generates, uses, and can radiate radio frequency energy
and, if not installed and used in accordance with the instructions, may cause harmful
interference to radio communications. However, there is no guarantee that interference
will not occur in a particular installation. If this equipment does cause harmful
interference to radio or television reception, which can be determined by turning the
equipment off and on, the user is encouraged to try to correct the interference by
one or more of the following measures: 1) Reorient or relocate the receiving antenna.
2) Increase the separation between the equipment and receiver. 3) Connect the
equipment to an outlet on a different circuit from the receiver. 4) Consult the dealer
or an experienced radio/TV technician for help. Important: Changes or modification to
this product not authorized by Tenka Inc. could void the electromagnetic compatibility
(EMC) and wireless compliance and negate your authority to operate the product. This
product has demonstrated EMC compliance under conditions that include the use of
Te nka I nc . p eri ph e ra l de v ice s .
WARNING This product contains chemicals known to the State of California to cause
cancer and birth defects (or other reproductive harm). WARNING Choking hazard —
small parts. Not for children under 3 years. WARN ING This product contains small
magnets. Swallowed magnets can stick together across intestines, causing serious
injuries. Seek immediate medical attention if magnets are swallowed or inhaled.
WARNING This toy is only intended for use by children over the age of 8 years.
APP Free app download. Ask parents’ permission first. Apple and the Apple logo are
trademarks of Apple Inc., registered in the U.S. and other countries. Apple Store is a
service mark of Apple Inc. Google Play is a trademark of Google Inc.
CONTACT For Circuit Cubes help, please email: support@circuitcubes.com.
FCC ID: AUI-TBT01A | IC: XXXX
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