RAINBOW TOYFROG Interlocking Gears Toys for Kids - 100 Piece Kit with Tote - Colorful Manipulatives for Preschool Sensory Bin Or Occupational Therapy Tools - STEM Building Toys for Girls & Boys

These gears are great. Easy to clean and assemble and lots of fun. They're the perfect size for kids 3 and up. I've been using these for almost a year and even the box is still functional. One of the black gears I received was defective on one side but can still be used in most builds. My biggest complaint is the pamphlet with designs provided. Most of the designs are good (there's maybe one or two weak connections) but nearly half of them require multiple boxes of gears. Without fail the kids I work with always want to make the biggest items and I have to tell them I don't have more than the 100 in the box. I wish they would've provided more "1 box" designs. Still a solid product though.

As described. Great for kids.

Great quality, easy to create with, my grandkids who are 4 & 5 love these & play with them often for quite a while. Bright colors and a fun toy for their imagination.

Dislike the size, much smaller than anticipated but appear to be durable and well made.! Bought for 3yr. old with fine motor and hand eye coordination problems .

I purchased these for my dad that is in a nursing home with cognitive brain damage. He enjoyed working with them. Not only did it keep him busy and interested, but it also helped his motor skills. We enjoyed working with them while I visited also. They gave us something to enjoy together.

My son loved them . He likes to stim with them.

Grandsons love building with these. They were so popular, I bought a second set.

These are really small. I bought others and thought these would match. They don't. I should have looked at the measurements.

These building gears are great for little fingers and easy for them to manipulate.