| Super structs -- they sell them at the building museum and on amazon. they are great and the instructions are really good so kids can do the steps by themselves |
| Magnatiles with finger lights - my kids have great fun with these! |
| k'nex |
Np here. These look great! |
| Yeah, I clicked to post Keva Planks. They also have a set called "Contraptions" where you build courses for a ball to roll through. My girls love them and spend hours building a variety of courses. |
We have Citiblocks. Same thing, a bit cheaper. They come in colors, as well (that's what we have). These are more popular in our house than magformers, legos, or snap circuits. https://amzn.com/B003BWVJ72 |