This is an attractive looking game that is entertaining to play. Tool tips are provided to explain what each element does and the game doesn't require pixel perfect precision when positioning elements.
Sustained play could get a bit repetitive, but it is an ideal game to play in short bursts, one or two puzzles at a time. Like all puzzle games, once you've solved all the puzzles on offer, there's not much appeal in replaying. However, there is a facility for creating your own experiments, which should increase the longevity of the game.