the beast good work properly and my little son has laughed like a hunchback, looking to its efforts on a circuit designed by his father seen as that is just HYPER MAL provides DESIGNED OK the elements fit together we can achieve a great assembly, BUT the critters do not pass the elbows!
What is that this design 2 balls: you have to be mega idiot not to realize that the diameter of the tubes is pos narrow to let in bugs:
it was enough to provide an electronic terrarium to introduce children but will make you lanlaire