This might seem elementary.but I love the quiet spray idea! Very cool teacher ideas on this site. Quiet spray has nothing in the bottle but air. This may be the smartest classroom management tool I have ever seen.
Paper Plate Emotion Masks are a great way for children to express how they are feeling without using any words. These masks will help facilitate emotions that children may not be able to come up with on their own.
Bloom's Revised Taxonomy Action Verbs infographic - e-Learning Infographics - The Bloom's Revised Taxonomy Action Verbs infographic includes some action words that are useful in writing learning objectives.
Cozy reading nook a teacher created with a refrigerator box and floor pillows. I think this idea could be built upon to create an inexpensive Cozy Reading Nook for an apartment that could be altered to appear legitimate.
Make a DIY mirror box for exploring shapes and symmetrical pattern making in a creative maths activity for children 3 acrylic mirror tiles and turned them into a simple, DIY mirror box, using strong masking tape to stick them together along the edges.