Olive's Scanner 
Toy I am making my toddler so that when she touches an object the "scanner" vibrates and lights up. Should second as a flashlight, of sorts.
Prototype
Design
Parts list
- ATtiny13A - The driver of the whole thing
- MCP23S08 - SPI 8-bit I/O expander used to drive just the LEDs
- SparkFun's LED Rainbow Pack - Got it in a recent order for free as a christmas giveaway
- [Vibrator motor from an old phone]() - Took it out of my waterlogged MotoX :-D
- CdS Photocell - When she touches this sensor to an object, the LEDs and motor activate