Puzzle eraser cubes are made from thermoplastic rubber (TPR) and other rubber materials.
Common package quantities include displays or packs of 24, and smaller packs of 12, 8, or 6.
Some listings specify "Suggested Age: 3 years and up," and many include CPSC choking-hazard warnings noting small parts are not suitable for young children.
Some novelty 3D puzzle eraser sets list playful scents—examples include Panda-Cake, Pupperoni Pizza, and Avo-Cat-O.
They are suggested as classroom incentives, treasure-box items, party favors, giveaways, and event handouts.
Color combinations offered include red/yellow, blue/red, yellow/green, blue/orange, green/purple, and red/blue.
