Cutaway Seed Cup

Seal a piece of glass, plexiglass, or plastic wrap against the open side of this seed starter cup to take a time lapse of your seed's germination and seedling growth. Or just to view for your personal enjoyment. I didn't put too much thought into the size or thickness of this cup. I just wanted it to allow for plenty of drainage and give decent strong surfaces for the window attachment.I plan on using this for the window(s):$4.78 OPTIX 0.08-in T x 8.0-in W x 10.0-in L Clear Acrylic Sheet (Lowes: Item #55844 | Model #11G0810A) Message me or comment if you find other cheaper options.