Promotional Stress Relievers, Construction Block Stress Reliever - Squeezable, Give your company the building blocks for promotional success with these custom stress relievers Shaped like construction blocks, these 3" x 1.5" squeezable promoters will help take the stress out of what to use for your next giveaway at the next tradeshow. These products are not intended for use by children or pets They may present a choking hazard to children under 3 years of age. ... #26481 $1.56/each.