11-1/2 x 8-1/2"
17-1/2 x 12-1/2"
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Creativitray Finger Paint Trays - Review
"I bring I bring mechanical puzzles to math events at schools, such as cube dissections or making ball pyramids, and I need to encourage the students to keep the various puzzle pieces separate, and not mix the pieces from two different puzzles together. These will be perfect for the task, for most of the puzzles. I wish there was a size available that was bigger, but not twice as big (which is too big for the number of students at a table.). But these are light, strong, and stackable so that they are easy to carry."
Stanley from Palo Alto, CA on May 18, 2016