Would this be suitable for a highly precocious 4-year-old?

I would say yes most definitely. What my grandchildren enjoyed about this product is the cards to give them ideas of things that they can make with the blocks they found it very entertaining and it's been inspired in inspired creative and talking to them things if I following visual directions

Can you purchase more challenge cards?

I do not know but I would suggest that you try to email the company that makes this item you may be able to purchase on there site, Or try amazon maybe they have a generic type of card

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🧠 Unlock your brain’s full potential with every puzzle piece!

MASTER THE ART OF SHAPES - Engage with 34 vibrant, multi-colored puzzle pieces designed to challenge and sharpen your spatial reasoning.
NO BATTERIES JUST BRAINPOWER - Eco-friendly, plastic construction requires zero batteries—pure cognitive challenge, anytime, anywhere.
DESIGNED FOR FUTURE INNOVATORS - Recommended for ages 5-16, it cultivates creative thinking and problem-solving skills essential for tomorrow’s leaders.
SOLO CHALLENGE INFINITE GROWTH - Single-player format encourages focused, self-paced learning that builds confidence and intellectual curiosity.
COMPACT BRAIN TRAINING POWERHOUSE - Sized perfectly at 22.86 x 20.32 cm, it fits seamlessly into your busy lifestyle for on-the-go mental workouts.

Learning Resources STEM Explorers Brainometry is a compact, battery-free puzzle set featuring 34 multi-colored plastic pieces designed to develop critical thinking, pattern recognition, and creative problem-solving skills in children aged 5 to 16. Perfect for solo play, it offers a hands-on STEM learning experience that fits into any busy schedule.

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Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

What is Desertcart? Is it safe to order from?+

Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

€ 33.70

Duties & taxes incl.

Slovakiastore

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30 daysfor PRO membership users

15 dayswithout membership

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Yusuf A.

Fantastic experience overall. Will recommend to friends and family.

1 month ago

Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

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Product Dimensions	22.86 x 20.32 x 0.25 cm; 294.8 g
Manufacturer recommended age	5 - 16 years
Item model number	LER9306
Educational Objective(s)	Creative Thinking, Pattern Recognition
Language:	English
Number of Game Players	1
Number of Puzzle Pieces	34
Assembly Required	No
Batteries Required?	No
Batteries Included?	No
Material Type(s)	Plastic
Color	Multi
ASIN	B097F49QYH

Learning Resources STEM Explorers Brainometry

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