These are great for hiding toys,rolling them down ramps and just for any sensory need. Love how they come in 2 different shades of green. They are very noisy but that didnt bother my boys at all. Rated them a 4 just because they are small enough for kids to put in mouth and can easily get lost if they fall to the floor. Would rate a 5 if they were just a bit more larger other then that this is a great buy.

I expected the clear tubs to have lids. For $26.50 for 3, I would have been better off to buy the clear bins at a store. I now will have to purchase separate tubs to store the sensor balls and beads.

These balls are fun for scooping and poring. Kids have lots of fun playing with these. They are noisey. plastic balls in a plastic tub creates a loud sound. I made a fabric lining for my tub and it make softer noise.

These balls float. So we throw them in the bathtub and the kids sort them by color and explore music, measurement & gravity by pouring the balls & water into cups of various sizes. To dry them, stir the balls with a dry washcloth to absorb excess water, and then let them air dry. My only wish was that they came in a variety of colors.