Make: Volume 90

PROJECTS: Toy Inventor’s Notebook

Vacuum-form the parts from styrene sheet

(Figures

B

and

C

), then trim them and drill two

small holes for mounting the tombstone to the

base with tiny nuts and bolts (Figure

D

). I added

some small “RIP” plastic letters, cut out the

opening for the counter’s LCD and reset button,

and drilled some speaker grill holes. Use a rotary

tool to carve a slot in the back for the wiring

(Figure

E

).

2. HACK THE ELECTRONICS

I found a very versatile sound-playing module

online, Amazon B09838SQ7X. It instantly replays

a recorded sound from each quick needle poke. If

you don’t poke again, the sound track continues

to play with ...