Seeed Grove – IMU 9DOF V2 $18.23 The Grove 9 degree-of-freedom (DOF) module features the MPU-9250, and is an easy-to-use all in one module from SeeedStudios.
	Teensy Prop Shield LC $13.00 The Prop Shield LC is the stripped-down version of the Teensy Prop Sensor Shield (motion sensors removed)
	Prop Shield With Motion Sensors $27.00 The Teensy Prop Shield is a wonderfully full-features sensor add-on for Teensy (and other) microcontrollers, featuring 11 sensor inputs, audio amplification and 8MB extra memory.
	Adafruit ALS-PT19 Analog Light Sensor Breakout $3.50 Add a teeny analog light sensor, the ALS PT19 analog light sensor is a great way to upgrade a project that uses a photocell and needs RoHS compliance.
	1.77mm Nickel Plated Steel Spring Tubing $3.50 1.77mm (.07″) diameter nickel plated steel spring tubing for stiffer tactile sensor designs