Happy Sleepy: Flower Speaker Device by Marc Ngui, 2010
Happy Sleepy: Making Unit Device by Marc Ngui, 2010
Happy Sleepy: Controller Device by Marc Ngui, 2010
Happy Sleepy: Digital Flame Drill Device by Marc Ngui, 2010
Happy Sleepy: Water Magnifying Glass, Devices by Marc Ngui, 2010
Happy Sleepy: Ribbon Stapler, Devices by Marc Ngui, 2010
Happy Sleepy: Watercolour Radar, Devices by Marc Ngui, 2010
Happy Sleepy: Projector, Devices by Marc Ngui, 2010
Happy Sleepy: Screwdriver, Devices by Marc Ngui, 2010
Happy Sleepy: Beacon, Devices by Marc Ngui, 2010