19 Piece Japanese crystal - Interlocking Puzzle
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Description
The 19-Piece Japanese Crystal Puzzle is based on a historical design of the same name, first created in Japan around the 19th century. This magnificent and beguiling puzzle is one of the most rigorously challenging puzzles in the construction category. The perfectly symmetrical, multifaceted, celestial structure is made from 19 non-identical, interlocking pieces. Each piece is precisely cut so that they interlock perfectly into a solid, crystalline structure.
Similar to many construction puzzles, the key to unlocking the puzzle requires turning just one piece. Afterwards, there are precise steps that must be carefully followed in order to unlock the crystal.
This high-level, difficult puzzle is the best match for serious puzzlers with a lot of extra time on their hands. Perfect for building focus, patience, and spatial reasoning! Once you’ve solved the Japanese Crystal Puzzle it makes a beautiful art piece to proudly display on a bookshelf or coffee table.
Shipping
Brainrich proudly ships worldwide so families everywhere can enjoy our indoor play gyms!• U.S. Orders: Ship within 1–3 business days with free ground shipping.
• International Orders: Processing time is typically 2–4 business days.
• Shipping Time: Delivery times vary by destination.
• International Shipping Fees: International orders include a shipping fee based on product weight and shipping address, calculated at checkout. Customs duties or import taxes may apply.
• Carriers: We ship via FedEx and USPS for reliable, trackable delivery.
• Tracking: You'll receive a tracking number as soon as your order ships.
This indoor play gym is a lot of fun!
If you have more than one kid and flat ceilings between 7'11" and 9'11", don't even overthink it and start with this model.
Mega Max is the Spider V3 Max with an additional set of Monkey bars
If you have room to spare, this sensory play gym offers a wider range of activities and can be expanded to different configurations to meet every kid's needs.
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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Adjustable
You can raise or lower the monkey bars and the pull-up bars based on your ceiling height or the height of your kids.
Modular
The length of the add-ons like gymnastic rings, trapeze, swings, and a climbing rope can also be adjusted.
Made of high-quality steel
The parts are non-toxic and have scratch-resistant powered paint. It is also specially designed with stimulating rubber-coated steps and bars to promote the kids' nervous system development.
Biggest indoor play gym yet
It's a wider range of bars, more space, and room for your kids to play. You can add more sensory equipment or various add-ons that you know your kids will love.
What our clients say
"Love it! Easy to assemble, and the kids are always on it. Sturdy, fun, and totally worth the investment."
— Samantha P.