As a mother of five during the pandemic, I've been looking for ways to keep my kids busy and avoid using tablets. They were perfect and so much fun to build, but the best part was that they each had their own tool (not a drill) so each kid could build their own dinosaur. Ideal for one child and ideal for several children at the same time. (Hide the exercise if you're doing it with several children at the same time, or be ambitious and work on their general skills). Thank you!