Product Number: EL12561
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Ages 3-7. Explore the difference between heavy and light. Set of 12 plastic tubes (3-3/4 L x 1-1/2 dia.) with various weights engage abstract thinking with ideas involving “more than” and “less than” with equally sized objects. Also includes 14-15/16 x 5-1/8 wooden stand with 12 recessed holes.