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I was hoping that these droppers would be a little stiffer, to encourage proper motor skills when they were used. They are a little easy to squeeze and also allow fluid escape without pressure being applied. They're ok. I wouldn't buy them again and I wouldn't recommend them for children who are interested in any kind of attempt at precision work. They're mostly now being used for squirting water on to the ground to make patterns rather than my intended hope that we could use them for science experiments
As a product advertised for toddlers this is a poorly designed failure when used together with the test tubes by the same company. These eyedroppers fit perfectly in the test tubes and get stuck ALL the freaking TIME when a toddler accidentally drops it. I have to constantly leave my toddlers at the art table and run to the sink to empty the test tube and fish the eyedroppers out. They get stuck faster than I'm able to keep getting them out, I'm not able to keep up. Result: when I leave toddlers at the table alone, they will make a mess and spill all the liquids I'd otherwise prevent by supervision. You're think when you a buy product line by the same company that the products should be compatible with each other.
I love anything learning resources & had high expectations for these--But I have a big complaint especially since they weren't "cheap". They don't hold the liquid in them, if you shake them it comes right out & if you just hold them still it slowly trickles out. I'm keeping them because I still like the size for my son & the holding tray.
Love the colors, the size, and the dropper holder. I bought these for my almost three year old twins so we could start doing science experiments. I wanted to be able to tell them to add one drop of vinegar to the baking soda, but it was pretty much impossible to get just one drop out. They don't hold the liquid in very well. If you're careful, nothing will come out, but even a light shake of the dropper will make a good amount of liquid fall out. They'll work for now, but I wish it took more force to make the liquid drop.