SmartLabToys - Glow-In-The-Dark Lab

What size is the mix-and-measure scoop? Ours did not come with one, which makes the kit useless.

What age is this toy for? The box says for ages 7+ but amazon details say 7 months - 5 years

What are the instructions

What are the additional items that need to be bought for this kit? I want to get them ahead of time.