It’s surprisingly sturdy. For your 7 yo it should be perfect: on some parts some help might be needed, but mine got it done 99% by himself. The app is really we

It’s surprisingly sturdy. For your 7 yo it should be perfect: on some parts some help might be needed, but mine got it done 99% by himself. The app is really well done. One interesting thing is he’s super attached to it (specially the robot one) as it took him so much time to build. I’m waiting for the interest to wane a bit to go for the customizations and try to build new things.