To design and make an invisable maze using a Ø15mm glass marble.
The marble is put in a hole in the top or one side of the maze.
Your objective is to get the marble out of a hole in one side or the bottom of the maze.
It's WICKED. You can not see where the marble is running.
To make it mor difficult, you can put one or two holes in the bottom as traps.
If you use traps, you must made the marble come out through one side.
| Item | Description | Nos | Size | Material | Cost |
|---|---|---|---|---|---|
| 1 | Top | 1 | 195 x 165 x 2.5mm | Hardboard | 4.2p |
| 2 | Bottom | 1 | 195 x 165 x 2.5mm | Hardboard | 4.2p |
| 3 | Sides | 1 | 22 x 11 x 800mm | Pine | 12.6p |
| 4 | Dividers | 1 1 |
8 x 8 x 600mm 8 x 8 x 200mm |
Pine Pine |
10.9p 3.6p |
| 5 | Wood Screws | 4 | Ø 3.5 x 12mm Countersink | Zinc, Posidrive | 2.8p |
| 6 | Graph Paper | 1 | A4 10mm Square Grid | 0.8p | |
| 7 | Marble | 1 | Ø15mm | Glass | 2.0p |
| Sub Total | 41.1p | ||||
| Sundries @ 10% | 4.1p | ||||
| Total Cost | 45.2p | ||||
| Profit | 4.8p | ||||
| Selling Price | 50.0p | ||||
| Hand Tools | Machine Tools | Sundries |
|---|---|---|
| Rule | Sanding Machine | Glasspaper |
| Tri Square | Pillar Drill | PVA Woodglue |
| Bench Hook | Acrylic Paints | |
| Tenon Saw | Ø 3mm Twist Drill | |
| Coping Saw | Ø 18mm Spade Drill | |
| Screwdriver No2 Posi | Countersink |