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★★★★★
4,8/5 (3.928+ reviews)

Heat Hollow Brain Teaser Puzzle Game with 228 Challenges, 2D and 3D

Regular price £34.95 Sale price£9.95 Save 72%
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Free Royal Mail Delivery Within the UK
30-Day Money-Back Guarantee
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Only 9 items left in stock!
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EARLY BLACK FRIDAY SALE
UP TO 70% OFF + FREE MYSTERY GIFT 🎁
00DAYS
:
00HRS
:
00MIN
:
00SEC

228 puzzles in a case that fits your pocket

For curious kids, teenagers and grown-ups who like a proper think. This brain teaser puzzle challenges your spatial reasoning: pick a challenge from the guide, place the starting pieces, then work out how the remaining 12 colourful pieces fit the board. There are 228 puzzles in both 2D and 3D, ranging from easy warm-ups to fiendish expert levels. The compact case is the game board and holds every piece, so it travels anywhere without losing bits.

Why you'll love it

  • 228 challenges: Beginner to expert, in 2D and 3D layouts
  • Travel ready: The case is the board and stores all 12 pieces
  • Screen-free: Keeps kids and adults busy without a phone or tablet
  • Builds skills: Critical thinking, problem solving and spatial reasoning
  • Solo play: A single-player logic game you can pick up anywhere

Perfect for: Stocking fillers, long car and train journeys, rainy afternoons, puzzle fans of 7 and up

We offer fast, free delivery with no minimum order value. Every order can be tracked at any time using its own tracking number.

We offer a 30-day right to return or exchange if for any reason you are not satisfied with your order.

The Heat Hollow promise

30-Day Money-Back Guarantee

Try it at home for 30 days. If it doesn't keep you as warm as you hoped, send it back and we'll refund you — no awkward questions.

Every order ships with tracking, and our team is one email away at support@heathollow.com.

No more shivering through winter


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Frequently asked questions

Most of our heaters and warmers give noticeable heat within one to two minutes. Exact times are listed in the product description.

Our heaters are designed with safety features such as overheat protection, and many also have tip-over protection — check the product description for the exact features. Never cover a heater and always follow the instructions.

Mains products come with a UK-compatible plug or adapter. Car products use the standard 12V socket found in UK cars.

Because you only heat the space or person you need, you often use far less energy than heating the whole house. The wattage is shown on every product page.

Yes, you can return items within 30 days after delivery. Contact us at support@heathollow.com and we'll guide you through it.

As soon as your order ships you'll receive a tracking number by email.

We accept major cards, PayPal and Apple Pay. All payments are encrypted and processed securely.

Email us at support@heathollow.com — we usually reply within 2 working days.

Tracked delivery

Every order ships with a tracking number.

30-day returns

Not happy? Send it back within 30 days.

Secure checkout

Encrypted payments via trusted providers.

Friendly support

Real people, quick replies by email.

Brain Teaser Puzzle Game with 228 Challenges, 2D and 3D
Heat Hollow Brain Teaser Puzzle Game with 228 Challenges, 2D and 3D
£34.95 £9.95
Screen free games for kids – screen-free logic fun