STEM
Water Glass Xylophone – Music Guessing Game
Materials：1x Uno board + Sensor Shield V5.0, Jumper wires, 7x LEDs, 1x 4 Key Matrix Membrane Keypad, SR-HC04 ultrasonic sensor, 1x LCD panel + I2C converter module, 1x USB cable, Power bank
3D Visual Feast – Beauty of Flowers
Materials：Transparent plastic sheets, iPad, hologram video, Arduino motor driver shield (V1), jumper wires, gear motor, USB cable, power bank
Infinity Mirror – Beauty of Flowers
Materials：Box, jar, a pair of mirror (1x two-way mirror, 1x reflective mirror), colorful glass paper, LED string lights, flower decor, butterfly decor, and power bank
Windmill Bubble Machine
Materials：Plywood, plastic box, bubble liquid, gear motor, 130 motor, impeller, lead, batteries and battery box, smoke and bubble tube
