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๐ Unlock your toddlerโs genius with colorful, hands-on learning!
This Montessori-inspired set includes 10 uniquely numbered locks and matching keys designed to develop counting, number recognition, and fine motor skills in children aged 3 to 7. Made from durable, food-grade plastic with bright colors, it ensures safe, engaging play that fosters early math learning and parent-child interaction. A perfect educational gift that combines fun with foundational STEM skills.





| ASIN | B09CMHMQJT |
| Age Range Description | Baby |
| Best Sellers Rank | #13,479 in Toys & Games ( See Top 100 in Toys & Games ) #186 in Sorting & Stacking Toys |
| Brand Name | YYDeek |
| Color | [Multiple] |
| Customer Reviews | 4.4 out of 5 stars 552 Reviews |
| Educational Objective | Numeracy |
| Included Components | Number 1-10 Locks & 10 Keys |
| Item Dimensions | 8.86 x 5.71 x 3.54 inches |
| Item Type Name | Educational Toy |
| Item Weight | 650 g |
| Manufacturer | YYDeek |
| Manufacturer Part Number | YYDeek010 |
| Manufacturer recommended age | 36 months - 12 years |
| Material Type | Plastic |
| Model Number | TNWX-7925 |
| Number of Packs | 1 |
| Number of Players | 1 |
| Operation Mode | Manual |
| Power Source | battery powered |
| Set Name | Number |
| Size | Medium |
| Supported Battery Types | No batteries required |
| Theme | Number |
| UPC | 789605495748 |
| Unit Count | 20 Count |
R**R
Fun toddler toy
I think these are a really cute toy! My daughter hates all the locks on the shelves at Home Depot so I bought her her own locks. I was nervous theyโd all be the same key/keyhole since they were pretty cheap, but they are all different and very easy to use. They donโt get stuck and are not hard to put in. They have held up for about a month now with frequent use. The colors are bright and the cards they come with are a great learning tool
M**R
Excellent Learning Resource
Great hands-on learning tool for centers! We use the YYDeek Montessori Locks and Keys set in our classroom, and my students absolutely love it. They challenge one another during math and problem-solving centers by placing the locks around the room and working together to figure out which key opens each one. Itโs a fun, engaging way to build problem-solving skills, fine motor coordination, and perseverance. The quality really impressed me. Everything arrived very well packaged, feels sturdy, and holds up to daily classroom use. The locks and keys are durable and not flimsy, which is a must with young kids. The size is perfect for small hands: easy to grip, but not so small that I worry about them getting lost or broken. Visually, the set is bright, appealing, and kid-friendly, which makes it inviting to use and easy to incorporate into learning centers. Itโs also very reasonably priced for the quality you get. Iโd recommend this for preschool through early elementary (roughly ages 3โ7), depending on the childโs skill level. Overall, this is a fantastic, hands-on learning tool that combines play with real educational value. Students play with them daily!
K**F
Love
Such a great activity! Fine motor, letter sounds, upper and lower case matching, letter recognition. Canโt recommend enough!
G**A
Great learning toys
I bought these to teach my preschool number identification as well as counting dots. We have been doing 10 minutes a day of practice so far so good. & all the keys work for their corresponding numbers only.
V**N
A busy bag must buy!
This toy is very well made, my toddler absolutely LOVES playing with it. Perfect busy bag addition! Educational and fun. Great for keeping your toddler occupied on a flight, at a doctor's apt or out to dinner.
B**.
Nice learning tool just had one of the locks didn't work.
I will start off by saying we got this because we got the alphabet version and our kids got so excited using it and learning. We decided to try the numbers as well and again got a similar reaction. This makes learning numbers and counting a fun activity and consists of a keychain and each key goes to a certian lock, the a key will not fit or even go into the wrong lock. For a childrens activity the plastic locks and keys are as durable as you would expect and for the most part they work very well. having said that the only reason I gave this a 3 instead of a higher rating one of the locks would not turn at all, this was the ten so it was frustrating to go through all of the numbers and get to ten and not be able to complete the activity. Otherwise a great activity for those kids learning, and for older kids if you add a little creativeness to the activity.
J**N
Great gift!
So cute and easy to use. Getting the keys in and unlocking the lock the first time was a little difficult but once we got them all unlocked the first time it's been very easy for my toddler to do it himself.
S**Y
Def would've been 5 stars but...
My little one LOVES keys. I had to get her something to help her stop stealing mine and this would help her counting as well. I would've loved it. The quality is a lil low for the price but acceptable. The colors are bright and nice. It could have a better keychain (it's just a string) but, again, it's acceptable. What's unacceptable is that it came in an open box and filthy!! I'd have returned it had my daughter not already seen it. So we scrubbed and disinfected instead. The box was open. Literally not sealed at all. Everything was just open but all lined up in the box to appear as if it wasn't used and gross. The locks and keys had I don't even know... just lil kid grime on them. Dark smudgy stuff on every lock and many keys. It was gross and frustrating because I didn't but a used toy. Super annoyed that I couldn't return because eww. But little one does love it. So there's that.
S**D
Awesome product
Really happy with this product that I bought for my niece!
B**Z
Lock stock and fixed
Bought to use on an activity board project I am making for my one year old grandson. Adding to the board at this stage so he has something for later use. Nicely made locks and keys with no small parts exposed. I added a bracket to hold the five locks. Too early I think for using the keys but he likes to check them out. The keys and locks are numbered so is good even now to start number learning. Good activity board addition, well made and colourful, good value for money with educational / learning use. recommended.
P**T
Great play value
My 4year old autistic grandson is obsessed with keys - these provide a way he can play safely with keys and are educational too! Brilliant buy !
C**C
Locks
Good item
K**E
Not efficient.
Very poor quality. Locks and keys dont work properly. For the age these are designed for, I wouldnt recommend. As a Montessori teacher/ and childcare professional with over 20+ years experience. I would personally give a 2 year old a real lock mechanism now after seeing this resource.
Trustpilot
1 week ago
1 week ago