Babies don’t have object permanence, meaning they think that anything they can’t see doesn’t exist. #FACT
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Babies don’t have object permanence, meaning they think that anything they can’t see doesn’t exist. #FACT

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⠀ 43/100⠀ ⠀ 1: It’s not ok to be squeamish about this, unless what bothers you is hundreds of dollars in lost cute undies. If you are gonna be all “Ooh, gross, period blood” I’m gonna be all “don’t be such a fifth grade boy.” FFS you are the result of a missed period. Evolve with us, please.⠀ ⠀ 2: Even the most prepared among us end up with period surprises. I am not the most prepared among us. I could fill a book with disaster stories.⠀ ⠀ 3: An ex once said “you’ve been doing this for over a decade, you think you’d be used to it.” That’s what people who have never bled through a super plus in 20 minutes say. There is no getting used to waking up covered in blood.⠀ ⠀ 4: Sure, I could buy black underwear, but that’s not nearly as fun as rainbow panties, or ones with little divers all over them.⠀ ⠀ #period #thisiswhywecanthavenicethings #undies #underpants #periods #periodssuck #the100dayproject #the100dayproject2018 #the100dayprojectOP #objectpermanence #significantobjects #stuff #tradingcard #tradingcards #affinitydesigner #virtualcabinetofcuriosities #art #autobiography #illustration
Babies don't have object permanence, meaning they think that anything they can't see, doesn't exist. #FACT
What Are the Best Wooden Montessori Object Permanence Toys for Infants?
There's a specific kind of baby face that parents of infants know well — the one where your child drops a toy off the high chair tray, looks down at where it went, and then looks back up at you with this expression that's equal parts confused and delighted. Like they just witnessed a small magic trick and aren't sure if they caused it or discovered it.
That moment is object permanence in action. And it's one of the most important cognitive leaps your baby will make in their first year of life.
Object permanence — the understanding that things continue to exist even when you can't see them — sounds simple when you say it out loud. But for a baby under six months, it genuinely isn't true yet. When something disappears from view, it's gone. Out of sight is literally out of mind, not as a figure of speech but as a neurological reality. The world is a series of appearing and disappearing things, and none of them have continuity.
Watching your baby work through this is one of those parenting experiences that feels small in the moment and enormous in retrospect.
Why wooden Montessori toys specifically
The classic Montessori object permanence toys — the box with a ball that rolls into a hole and reappears in a tray, the drawer box where an object disappears and can be retrieved — are designed around one principle: the child controls the reveal.
This is different from a jack-in-the-box or a pop-up toy where something surprises the baby. In those toys, the mechanism does the work and the child watches. With a Montessori object permanence box, the baby drops the ball, the ball vanishes, and then — if they reach into the tray — the ball is there. They caused it. They found it. The loop is entirely in their hands.
That distinction matters more than it seems. Agency in discovery is what makes the concept stick. The baby isn't being shown that things persist. They're finding out for themselves, over and over, until their brain builds the understanding from the inside out.
Wooden versions of these toys do this better than plastic for a few reasons. The weight of a solid wooden ball gives a baby real sensory feedback when they hold it, drop it, and retrieve it. The sound of wood against wood — that small clunk when the ball lands in the tray — is a satisfying audio cue that reinforces the moment of reappearance. The materials don't flex or rattle unpredictably. The experience is clean and repeatable, which is exactly what a developing brain needs to form a stable concept.
What to look for at each stage
Around 4 to 6 months, babies are just beginning to track objects with their eyes and show surprise when something disappears. At this stage, simple is everything. A single-hole object permanence box with a ball — nothing more complex — is genuinely the right call. The goal is just the basic loop: object goes in, object comes out. Let them repeat it thirty times if they want to. That repetition is the work.
Between 6 and 9 months, babies start actively searching for hidden objects, which is a significant leap from passive watching. A drawer box — where the ball disappears and the baby has to pull open a small drawer to find it — introduces a retrieval action that requires both memory and motor coordination. The child has to remember the ball is in there and do something to get it back. That combination is rich developmental territory.
By 9 to 12 months, object permanence is fairly established and play naturally starts extending toward cause-and-effect and spatial reasoning. Shape sorters, nesting cups, simple stacking sets — these grow naturally from the object permanence foundation and keep building the same underlying capacity for understanding how the physical world works.
A note on how to actually use these toys
The most common mistake is hovering. When your baby is working with an object permanence box, the instinct is to demonstrate, narrate, and encourage. "Look, the ball! Where did it go? There it is!" That impulse is loving but it also shifts the focus from the baby's experience to yours.
Try sitting nearby and just watching. Let them figure out the retrieval. Let them get frustrated for a moment before they succeed — that small stretch of not-knowing-yet is where learning lives. If they lose interest and move on, that's fine too. They'll come back. These toys have a way of staying interesting across months because the concept they're working on is genuinely still being built.
One more thing: floor time matters. An object permanence box on a low shelf, accessible during independent floor play, gets used differently than one that appears when you decide it's learning time. The unprompted, self-initiated exploration is almost always deeper than the structured session.
Kukoo's collection of wooden Montessori object permanence toys covers this developmental arc well — from the earliest single-ball boxes through drawer boxes and beyond, with the material quality that makes repeated handling genuinely satisfying for little hands.
The broader thing worth holding onto is this: object permanence isn't just a cognitive milestone on a checklist. It's the beginning of your baby understanding that the world is stable — that things and people persist even when they can't be seen. That you come back when you leave the room. That the toy under the blanket is still there.
It's a small wooden box with a hole in the top. It's also, in a quiet way, one of the first times your child starts to trust the world.
That's worth thirty repetitions on the floor any afternoon.
Double hiding game: Hiding something under one cup and make him guess which cup it’s under. #objectpermanence #cognitivememory https://www.instagram.com/p/B0cgjEIA4M1/?igshid=mnbhuqjggp90

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A simple shelf work I prepared for my son who will turn one next week. 😲 I just recently started preparing shelf material for him, and he always chooses this work first. #bellinabox #montessoriathome #minimalistMontessori #objectpermanence #openandclose #practicallife #toysforoneyearolds https://www.instagram.com/p/BrLhhAugSG6421Q81oLsJWohWzQoHu9BKMMfG00/?utm_source=ig_tumblr_share&igshid=1pvjhn6nlitr2
103/100⠀ ⠀ My friend Bella has only ever used one perfume, it’s her signature scent. Not me. I can trace the evolutionary epochs of my life by the fragrance that escorted me through each one. Middle-school-me felt a bit too edgy (in the nerdiest spelling-bee-champ-straight-A-student way possible) for the OG Love’s Baby Soft, so I went with rain scent. This is not my last rain perfume. There was also a phase in my twenties marked by both grass and dirt perfume. Looking back, I can see I needed a little grounding—and had also been at sea for a while.⠀ ⠀ I’m currently on my second bottle of Flowerbomb—which is usually the death knell for any scent for me. Three squirts into my second bottle of Mark Jacobs and I was over it, just like with Issey Miyake. An earlier era, I woke up one day and couldn’t bear the overpowering nose of my beloved Angel. Now I can smell it three aisles away in a grocery store and always wonder why someone is wearing such an overpowering nighttime scent during the day.⠀ ⠀ Just for shits and grins, recently I gave myself a few squirts of Benneton Colors, what I smelled like in high school (when I didn’t carry the characteristic waft of McDonald’s French fries after work.) I expected a lighthearted fun experience. I couldn’t have been more wrong. It made my brain hurt, I had to drive home and jump in the shower. I still think fondly of it, but I now know there is no going back.⠀ ⠀ #the100dayproject #the100dayprojectOP #objectpermanence #stuff #virtualcabinetofcuriosities #art #autobiography #illustration #perfume #smellgood
100/100⠀ ⠀ As part of my MFA studio work, I experimented with embroidery and food. I stitched into beef jerky, toast, saltines, lemons, melons, and even McDonald’s cheeseburgers. I sewed vintage purple lace around one burger bun, and beads atop another. I displayed them in my studio for a show, then promptly forgot about them. After the weekend they were still sitting on my studio bench, fine, a bit dry, but not even vaguely gross. I threw them into a box, and again forgot about them. Two months later, drier but still not vaguely gross, I invited them to hang out in my kitchen cupboard while hubby and I worked on a boat we took to Thailand from Florida. Almost one year later I returned home and walked through the front door straight to see how they were doing. They were gone. All four people who had access to my house during that time claim they did not touch them. ⠀ I wasn’t done with the cheeseburgers—I wanted to see what would happen. Back in school to finish up my MFA, I revisited my McDonald’s cheeseburger. This time I commemorated the purchase date by gluing rhinestones onto the bun: 7-29-8. Three days later I gave the same treatment to a Twinkie. 8-1-8. I nicknamed them Patty and Pammy.⠀ So, it’s been 10 years. They’ve never seen the inside of a fridge, nor have they seen anything that looks like mildew, rot, mold, or decay. I’ve had ants and mice, and any other crawling thing the South can offer. The mice prefer my dirty underpants. Nothing in the natural world recognizes this as food.⠀ I probably shouldn’t have been so cavalier about them. While they’ve mostly lived in my wine rack, they've a few chunks missing from being toted around in my bag. The original wrapper feels soft and fabric-y. They mostly look old and desiccated.⠀ This food is not actually food.⠀ With the help of my friend @perblkbird at Location Gallery in Savannah we’ve created a group art show called “Fast Food?” to celebrate the 10th birthday. The show opens tomorrow, Friday night July 13. Patty and Pammy will be there. It’s open to the public. ⠀ ⠀ #mcdonalds #cheeseburger #the100dayproject #the100dayproject2018 #the100dayprojectOP #objectpermanence #fastfood? (at Location Gallery)