Costs:
| Threaded Rods | $4.40 |
| MCU | $8.00 |
| sheet metal | $1.26 |
| 12bolts $0.06 each | $0.70 |
| 3 solder boards | $7.50 |
| 1 small solder board | $0.80 |
| glue and screws | $4.00 |
| Gears | $1.60 |
| Wood | Free |
| other metal | Free |
| QRB1114 | $1.29 |
| Brackets | $2.80 |
| ULN2003 (2) | $1.28 |
| LMC711 (3) | $4.50 |
| other components | Free |
Total: $37.73