|  |  | - | $7.99
| $5.75 | <1m | |
| | | - | $7.99
| $5.75 | <1m | |
| | | - | $7.99
| $5.75 | 1m | |
| | | 1 | $5.00
| Calculate | 11m | |
| | | 4 | $20.50
| Calculate | 17m | |
|
| | | - | $3.50
| $3.25 | 17m | |
| | | - | $9.99
| Calculate | 18m | |
| | | - | $9.99
| $5.95 | 22m | |
| | | - | $12.99
| Calculate | 44m | |
| | | - | $9.99
| Calculate | 46m | |
| | | 10 | $66.99
| $6.50 | 59m | |
|  | | - | $24.95
| $10.00 | 2h 20m | |
| With battery operated micro-motor & display base
| | 1 | $9.99
| Calculate | 2h 35m | |
| | | 5 | $21.71
| $10.00 | 2h 59m | |
| | | 3 | $33.00
| $13.00 | 3h 35m | |
| | | 6 | $33.63
| $13.72 | 3h 35m | |
| | | 11 | $30.04
| $9.14 | 3h 45m | |
| | | 9 | $30.04
| $6.53 | 3h 50m | |
| | | 4 | $10.12
| $6.53 | 3h 52m | |
| | | 5 | $21.21
| $13.72 | 3h 57m | |
| | | 7 | $14.27
| $6.53 | 4h 00m | |
| | | 1 | $3.27
| $5.22 | 4h 11m | |
| | | - | $25.80
| $17.93 | 5h 19m | |
| | | - | $53.52
| $17.93 | 7h 19m | |
| | | - | $32.62
| $14.14 | 7h 19m | |
| | | - | $64.98
| $33.08 | 7h 19m | |
| | | - | $39.15
| $14.14 | 7h 19m | |
| | | - | $9.79
| Not specified | 8h 19m | |
|
| | | 1 | $9.79
| Not specified | 8h 21m | |
| | | 2 | $9.79
| Not specified | 8h 24m | |
| | | 3 | $15.00
| $15.00 | 8h 35m | |
| | | 2 | $8.49
| $9.99 | 8h 35m | |
| | | - | $199.99
| $28.00 | 52m | |
| | | - | $199.99
| $24.00 | 52m | |
| | | 3 | $154.01
| $10.00 | 9h 15m | |
| | | 1 | $9.99
| $4.35 | 9h 24m | |
| | | 2 | $9.50
| $6.00 | 9h 43m | |
| | | - | $17.02
| Not specified | 9h 52m | |
| | | - | $5.00
| $8.00 | 9h 53m | |
| | | 6 | $16.50
| $7.50 | 9h 54m | |
| | | - | $5.00
| $8.00 | 10h 21m | |
| | | 2 | $10.50
| $5.45 | 10h 28m | |
| | | - | $18.00
| $11.00 | 10h 35m | |
| | | 1 | $30.70
| $8.00 | 2h 17m | |
| | | 4 | $18.50
| $5.45 | 10h 38m | |
| | | - | $18.00
| $11.00 | 10h 38m | |
| | | - | $99.00
| Calculate | 10h 42m | |
| | | - | $18.00
| $11.00 | 10h 42m | |
| | | - | $9.99
| $5.45 | 10h 43m | |
| | | 1 | $13.61
| Not specified | 10h 48m | |
