Your toolkit
Everything on your car. The highlighted parts are the ones this mission needs.
SPIKE Hubthe brain · has a built-in gyroused this mission
2 Medium motorsleft + right wheels · ports A, Eused this mission
Large motorsteers the back · port Dused this mission
Large motorthe turret · port C · keep it centred, facing forwardnot needed
Distance sensorport B · looks straight aheadused this mission
Color sensorunderneath, pointing down · port Fused this mission
Hub gyrolevel-up: exact 90° turnsoptional level-up
Your car: the Delivery Cart with a large-motor turret carrying the distance sensor at the front, and a color sensor underneath. How to build it →
What the car must do
- Lane 1: drive until the distance sensor sees the wall, then make a right U-turn.
- Return lane: keep driving until the color sensor sees the green tile.
- Stop on the tile and play a sound.
My BlocksTwo sensorsTurning
Playbook cards for this mission: Green means go
Maze size
| Along the route | Whole maze |
|---|---|
| 5 → 1.2 → 5 lane widths | about 6.3 × 2.5 lane widths |
With a 30 cm lane width the maze is about 189 × 75 cm. Lane spacing is one lane width plus a wall.
Success looks like
- The car turns right and enters the second lane without touching walls.
- It stops with the front on the green tile and plays a sound.
- It works three times in a row.