I have had these for years and my students still love them each year. They love to see how tall they can build a tower. Very sturdy!

My pre-k students love building and creating structures with this set. The pieces are easy to put together and take apart. It is a great addition to our Creative Curriculum Tubes and Tunnels study.

Our grandson , who will be 4 next month, loves these ! We do a scavenger hunt for the bunny and they were his prize. I am glad that I read the other reviews and bought 2 sets. Going to your site to get his birthday gift !

My boys (age 8 and 4) love these things. They are constantly building with them. They are a favorite in our house. We just added our 4th set to our collection because we never seem to have enough tubes to go around for everyone to build!

I got these for my 4yr old grandson at Easter and he sat and built with them for hours. I think they are a bit small. I would have liked them to be a bit bigger in size. We took his build to a sink and put water down the tubes with a funnel. He enjoyed that. It would be nice if this set had a few valves to divert the water. This set has many possibilities from patterns, sorting, running water, building shapes, letters etc. They were easy to connect and pull apart even though they didn't fall apart. Very sturdy, just make sure pushed together.

My two year old loves these!

I teach 4 year old preschoolers. These were smaller than I expected, but are perfect for my class. They LOVE them!

this pipe builders i seen in my daughters pre-k 4 class and I bought them for her to practice at home. She has developed building skills and it teaches her to work as a team to build. I highly recommend!

My kindergarten students have played with the pipe builders all week. They are increasing their fine motor skills and creativity while playing. Definitely a winner.

Very entertaining, good quality and colorful

I am working on critical thinking skills using STEM and tinkering days. This is a great addition to the classroom.

My 3 year old loves this product. He enjoys all the connecting and building. He is a 3 year that does not put things in his mouth. So I can rest easy as he plays for HOURS.