The case: C.J. SHOP Clear Cover Enclosure Transparent Acrylic Box Case Kit for Arduino UNO R3 MCUS https://www.amazon.com/dp/B01CGMOI4I/ref=cm_sw_r_cp_api_kfFKyb8HE2T4C

The matrix and shield: SunFounder Full Color RGB LED Matrix Driver Shield + RGB Matrix Screen for Arduino https://www.amazon.com/dp/B01567H3PG/ref=cm_sw_r_cp_api_hhFKybHKJZDQA