Part 1 The Negative Mold
Part 2 Making the Positive Mold from the Negative
Part 3 Making Masks that fit then using them
Whack A Ball from the Make project.
Monostable Circuit with 555 timer & LED
Monostable Circuit with 555 timer & Motor
Kinetic Diorama in work with the plan to use the above circuit (then and still now 8)