I purchased this year's ago and kept it in a box with other toys my son never got round to playing, I have recently opened to test it still works and had a brief play with it to see all is in working order. All the blocks needed new batteries and the app needs to be purchased to use the toy. but it works perfectly, even recognised there was a cat looking at it! Looks like a really cool toy. my son is now 13 and can't see this ever being used so selling. app still works but it's £2 to download off playstore
eBay