Quantity   Component name
8 × 10mm M3 screws
8 × 12mm M3 screws
4 × 16mm M3 screws
20 × nuts and washers for the preceding
2 × 8mm shafts
4 × shaft flange couplers
4 × pillow blocks
1 × Trader Joes peanut butter lid
2 × lengths of 1x2 lumber
2 × 5" x 5/16" machine screws and nuts
8 × fender washers
8 × screws to mount the pillow blocks to the wood 4 can be wood screws, but at least 4 of ought to be machine screws with WINGNUTS!
1 × length of monofilament (fishing line) or other fine string
1 × 108cm, 12g dowel for pendulum
1 × 43g weight