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 child’s inner genius with every shape!

COMPACT READY TO PLAY - No assembly or batteries needed—instant STEM adventure
PERFECT FOR AGES 5 TO 16 - Designed to develop critical thinking across childhood
SCREEN FREE BRAIN TRAINING - Meaningful play that sharpens logic and creativity
10 DOUBLE SIDED CHALLENGE CARDS - Progressive puzzles that grow with your child’s skills
ENGAGE WITH 34 VIBRANT GEOMETRIC PIECES - Tactile, colorful shapes for hands-on STEM fun

Learning Resources STEM Explorers Brainometry is a dynamic 3D puzzle game featuring 34 colorful geometric pieces and 10 double-sided challenge cards designed for children aged 5 to 16. It promotes critical thinking, pattern recognition, and spatial imagination through progressive STEM tasks, all in a compact, screen-free format that requires no assembly or batteries.

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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.

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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.

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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.

$228

Duties & taxes incl.

Saint Kitts and Nevisstore

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TrustScore 4.5 | 7,300+ reviews

Vikram D.

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

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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 ResourcesSTEM Explorers Brainometry

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