The Blood Group Puzzle is a thoughtfully designed educational tool that introduces children to the logic of blood group compatibility through hands-on problem solving.
Each puzzle piece represents a specific blood group and is uniquely shaped so that it fits only into its medically correct donor–receiver positions. This physical constraint mirrors real-world blood transfusion rules - transforming abstract biological concepts into intuitive learning.
How the Puzzle Works
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Universal donors fit everywhere
Pieces representing universal donors are designed to fit into all compatible receiver slots, reinforcing their unique role through action rather than memorisation. -
Selective compatibility is built in
Blood groups like A+, B+, AB+, and O+ fit only into their correct receiver positions, helping children understand that not all blood types are interchangeable. -
Universal receivers accept multiple donors
The puzzle naturally demonstrates why some blood groups can receive from many donors - the piece simply fits.
This design ensures that correct understanding is rewarded by successful completion, while incorrect assumptions are gently rejected by the puzzle itself.
Why This Puzzle Is Different
🧠 Conceptual Learning, Not Rote Memory
Children learn why compatibility exists by discovering patterns through trial, reasoning, and logic.
🔬 Early STEM & Biology Thinking
Introduces foundational ideas from human biology and healthcare in an age-appropriate, tactile format.
🧩 Self-Correcting Design
The puzzle structure provides immediate feedback, encouraging independent learning and critical thinking.
🏫 Ideal for Classrooms & Learning Labs
Frequently used in schools, science corners, and educational therapy settings.
Educational Benefits
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Develops analytical and logical reasoning
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Encourages scientific curiosity
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Builds conceptual understanding of human biology
- Supports guided teaching and independent exploration
Shipping and Delivery for orders within India:
Timelines:
As soon as we receive your order confirmation, we initiate the delivery process and ship your order through our courier partners within 1-2 business days.
(If the order is received before 11.30am on a business day, we try to ship the order on the same day itself.)
Above terms NOT valid for Playschool Starter Kit
Packaging:
Our Three Tier packaging ensures that all products are delivered to you in the most protected and safe condition.
The primary tier is the bubble wrap, the secondary tier is a 3-ply corrugated wrapping paper and the third tier is polybag/corrugated cover to protect against rain and moisture. (Oversized items maybe packaged in HDPE packing)
Shipping and Delivery for orders Internationally (Cross-Border):
Timelines:
As soon as we receive your order confirmation, we initiate the delivery process and ship your order through our courier partners within 2-3 business days.
Packaging:
Our Three Tier packaging ensures that all products are delivered to you in the most protected and safe condition.
The primary tier is the bubble wrap, the secondary tier is a 3-ply corrugated wrapping paper and the third tier is polybag to protect against rain and moisture.
Orders which are shipped internationally may also include Hard-case packaging to ensure your order for added safety of the products as the package moves through multiple hubs and is subjected to more handling than domestic packages.
Please note, only certain products are eligible for international shipping presently, due to logistical constraints.
The above policies and any other free shipping terms apply for orders placed through this online store (shop.jdutta.com) only. These shipping policies DO NOT apply to any other sales channels or sales methods of J. Dutta and Co.
J. Dutta and Co. reserves the right to change/alter/cancel the shipping policy/policies at its discretion without prior notice.