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K'NEX Education - DNA, Replications and Transcription Set

4.6 out of 5 stars 33 customer reviews
| 3 answered questions

List Price: $55.00
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  • Aids in teaching the structure and function of the nucleic acid molecules that make up DNA and RNA
  • Supports 2-3 students working as a team to build 19 DNA and mRNA models, up to two at a time!
  • Includes 525 K'NEX pieces
  • Building instructions and comprehensive teacher's guide CD included
  • For 5th through 12th grade classrooms
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WARNING:
CHOKING HAZARD -- Small parts. Not for children under 3 yrs.

Product Description

Product Description

The K'NEX DNA, Replication and Transcription set is designed to aid in teaching the structure and function of the nucleic acid molecules that make up DNA (deoxyribonucleic acids) and RNA (ribonucleic acids). The Teacher's Guide provides lessons designed to take students through three instructional modules: I. DNA Structure; II. Replication & Transcription; III. Coding, Translation, and Mutations. Excellent demonstration tool at the elementary school level. Curriculum aligned to National Science Education standards for grades 5 – 12. Set includes 525 K'NEX parts – enough to build 19 DNA and mRNA models, up to two at a time! Supports 2 – 3 students working as a team. Grades 5 - 12. Building instructions and teacher's guide aligned to national standards included. Packaged in a strong storage tray with snap-on lid.

From the Manufacturer

The K'NEX DNA, Replication and Transcription set is designed to aid in teaching the structure and function of the nucleic acid molecules that make up DNA (deoxyribonucleic acids) and RNA (ribonucleic acids). The Teacher's Guide provides lessons designed to take students through three instructional modules: I. DNA Structure II. Replication & Transcription III. Coding, Translation, and Mutations Excellent demonstration tool at the elementary school level. The curriculum is aligned to National Science Education standards for grades 5 – 12. Set includes 521 K'NEX parts – enough to build 19 DNA and mRNA models, up to two at a time! Supports 2 – 3 students working as a team. Grades 5 - 12. Building instructions and teacher's guide aligned to national standards included. Packaged in a strong storage tray with snap-on lid.

Product Information

Product Dimensions 2.2 x 12 x 12.4 inches
Item Weight 2.6 pounds
Shipping Weight 2.6 pounds (View shipping rates and policies)
Domestic Shipping This item is also available for shipping to select countries outside the U.S.
International Shipping This item can be shipped to select countries outside of the U.S. Learn More
ASIN B000O8Z7UQ
Item model number 78780
Manufacturer recommended age 8 - 12 years
Best Sellers Rank #58,048 in Toys & Games (See Top 100 in Toys & Games)
#113 in Toys & Games > Learning & Education > Science > Biology
Customer Reviews
4.6 out of 5 stars 33 customer reviews

4.6 out of 5 stars

Technical Specification

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Customer Reviews

Top Customer Reviews

Verified Purchase
I used this product with high schoolers taking level biology. I thought the hands on approach was fantastic. I was disapointed in the quantity inside each kit. I needed two kits to cover a room and my classes were on the small side. For the cost I think that the total number of small kits that can be made is disapointing.
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Five stars for a kit that can work very well, but only if you don't take the inaccurate booklet too seriously, and pair this kit with a good explanation of DNA and mRNA structure and function, suitable to your level.

This is a fun, versatile set that can help students learn about DNA structure. That is, provided you pay attention to which pieces are intended to model which structures. If you are just following the booklet diagrams without drawing a clear mental connection between plastic parts and real-life sugar-phosphate backbone, nitrogenous bases, and hydrogen bonds, then I expect you will enjoy the activity, but it won't be especially reinforcing for you.

What's great: the sturdy, resealable storage box with snap-on lid! All the plastic pieces can easily fit in sandwich or quart zip-bags, if you want to do that. Multiple sets stack nicely for storage. However, the sticker on the semi-transparent lid can be a hassle to get off. A cardstock sleeve would have been better.

One good touch: in the DNA replication exercise, the original deoxyribose sugars, represented by grey, half-snowflake pieces, are matched with strands that use yellow pieces for the sugars instead. The resulting new strands look obviously half-new, half-old, nicely modeling the semi-conservative concept. There are enough pieces in a single set to create the 12-base pair, double-stranded DNA molecule as shown, and then replicate it into two new, semi-conservative strands, then create some complementary mRNA strands.

Unfortunately, the design (modeling choices) and booklet could use some tweaks.

1. The designers chose to represent the RNA base uracil with the same purple rods used to model phosphate groups. Not a good choice.
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Verified Purchase
.

.

. There are likeable features about this kit, the minute you open that Plastic Storage Box it comes in.

(A) The instructions are printed in huge print on a giant booklet about the size of full
sheet of 8-1/2" X 11" paper.

(B) The instructions are in vivid color. It does not come with large wordy passages of information.
The instructions for the construction of the Double Helix are in huge print, that even those with difficulty reading small print, will find easy to read and follow.

(C) On the very back of the big instruction book, are very large pictures of each type of part.

(D) The parts (Nucleotides) are large and there are Five Hundred and Twenty Five (525) pieces in total to work with.

(E) When you are done working with the parts and book, you put it all back in the plastic storage Case and snap the plastic lid back on. That is a very nice feature. It saves about $10.00 for an additional storage container purchase.

I rate this product pretty good. It is designed for Ages 10 and up (or Grades 5-9) and it is easy to work with. The Ten and UP age bracket seems to be the market standard for these things, although I think that this model would be useful for more advanced ages. The parts more closely resemble the real thing.

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There is no "lab equipment" with this kit and there is nothing about the familiar Tomato Experiment; but as a model of the Double Helix of DNA to study, it is very good to work with.

It comes with a DVD as a "Teacher's Guide".

Also, I called the company with some questions, and they did take the time to talk to me and answer everything.

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Students definitely respond positively to this K'Nex model! It allows physical demonstration of not only the structure of DNA, but also replication and transcription. "Breaking" the hydrogen bonds, copying the template, even imagining how the ribosome reads the RNA for protein synthesis are much easier for students to comprehend with K'Nex.
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I thought I knew how genes replicated and then formed strands of DNA which in turn became chromosomes. Surprisingly, K'NEX added to my knowledge and helped me visualize the formation at an intermediate level, not the mico level of electrons and energy levels, and not the macro level of genes uniting to form the chromosomes. However it does require an instructor, it is hard to gain all that is available from self instruction. Two people, or even more, working cojointly can help instruct each other. That is my only caveat, one might learn alone but it is much more possible in groups or with an instructor. I highly recommend it.
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I was inspired by a similar DNA kit in high school. I now work in the genetics field and am glad to have a giant double helix hanging in my room. would be nice if it came with a kit to hang it from the ceiling to show it off when finished- i made one out of fishing line. lots of parts, great storage container, accurate lessons.
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