Laser pegs building light up block

Mix up bundle for free construction. No instruction book. Large purple base plate need 3AA batteries (not included). Some little bloc (second picture) need 3 small batteries (LR-44) because they are dead. Third image is only an example to show what it looks like. I put also some instruction manual link and a video to let you see what it looks like but i don't think it's the model i have, so sorry but i don't really remember how it works! The cover doesn't close properly because i have more kit than the box can contain. manualslib.com/manual/1072297/Laser-Pegs-Zd-110b.html youtube.com/watch?v=N25pVxcJIKA the-gadgeteer.com/2015/08/27/laser-pegs-light-up-construction-toy-4-in-1-helicopter-set-review/ Smoke free home. Do you 🖤 it??!