I bought this for my son who was 4 at the time. I thought it would be a cool thing for him to see nature and how it works. Well, we got the tank and it should be for adults only! Because it is sooo flimsy!! The top comes off too easily!! Then we waited 4 months for the teadpoles to even come. They survived two days!!! We were so dissapointed. After buying the tank and then having to buy the tadpoles I thought it was wrong to charge us for the tadpoles in the first place!! So we ended up going to the river nearby and catching our own. That was very fun. The tadpoles lasted about a month...then I decided back to the river they go beacause it STUNK sooo bad!! It was stinking up the house. All in all it was more trouble then it was worth. Save your money...Buy a regular aquarium and an adult frog at the pet store.