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  • Magnify & Reduce Lenses

    Regular Price: $34.99

    Special Price $20.99

    • Set of 2
    • One lens enlarges and the other reduces
    • Magnifiers are 3 " diam.
    • 9" L. wood frames
    • With scratch-resistant acrylic lenses
    • Ages 3 yrs. +
  • Physical Science Observation Set

    Regular Price: $19.99

    Special Price $15.99

    Only 25 left
    • Set of 4
    • Includes tornado tube, hydrodynamic jellyfish, fountain connector and geyser tube
    • Ages 8 yrs.+
    • Adult supervision required
  • Microscope Set

    Regular Price: $49.99

    Special Price $34.99

    • 49 pc. set
    • Accessory set includes 5 prepared slides, 7 blank slides with labels, a scalpel and other needed tools and instructions
    • 100x, 400x, and 900x magnifications
    • Can use built in light or natural light
    • Requires 2 "AA" batteries (not incl.).
    • Case included
    • Ages 8 yrs. +.
  • E-Z View Magnifiers With Stand

    Regular Price: $39.99

    Special Price $29.99

    Only 19 left
    • Set of 6
    • 6 rainbow-colored plastic magnifying glasses
    • Each measures 8" L. x 4 ½" W. with 4.5x magnification
    • Stores in convenient stand
    • Ages 4 yrs. +
  • Encased Insects

    Regular Price: $49.99

    Special Price $39.99

    • Set of 12
    • Includes 12 different insects, magnifying glass & 24-page mini guide
    • 1¾" x 1⅛" x ¾" poly-resin blocks
    • Ages 6 yrs. +.
  • Metamorphosis Magic

    Regular Price: $59.95

    Special Price $39.95

    • 30 pc. set
    • Depicts five changes from beginning to adult of the frog, ladybug, beetle, bee, butterfly, and dragonfly
    • Ages 3 yrs.+
  • Sensory Observation Set

    Regular Price: $59.99

    Special Price $41.99

    • Set of 8
    • Observe the variety of liquids that flow down in various ways
    • Please note: this set is intended for educational use as a teaching tool for demonstration and discussion only and not a play toy.
    • Constructive Playthings Exclusive
    • Ages 3 yrs.+
  • Complete Race & Roll Ramps Set

    Regular Price: $114.98

    Special Price $77.04

    • 17 pc. set
    • Includes Two 12" L. x 6" W. hardwood ramps & 6 pc. accessory set (2 wooden cars, 2 rings, 2 baseballs)
    • Ages 3 yrs.+
  • Two-Way Microscopes

    Regular Price: $21.99

    Special Price $17.59

    Only 17 left
    • Set of 2
    • View an object from two different angles, top and bottom
    • Measures 7½" L. x 5" W. x 5" H.
    • Ages 3 yrs. +.
  • Wooden Prism Scopes

    Regular Price: $19.99

    Special Price $13.99

    • Set of 6
    • Two prism designs, squares and star patterns, for viewing the world through a different lens
    • Colors may vary
    • Size: 2" H.
    • Ages 3 yrs+
  • Encased Insects

    Regular Price: $49.99

    Special Price $39.99

    • Set of 12
    • Includes 12 different insects, magnifying glass & 24-page mini guide
    • 1¾" x 1 1/8" x ¾" poly-resin blocks
    • Ages 6 yrs. +.
  • Discovery Windows

    Regular Price: $49.99

    Special Price $29.99

    Only 4 left
    • 8 pc. set
    • 4" sq. hardwood framed blocks
    • Open the attached ends of the square blocks and add interesting collections of items (items sold separately)
    • Ages 3 yrs. +
  • E-Z View Magnifiers With Stand

    Regular Price: $39.99

    Special Price $29.99

    Only 19 left
    • Set of 6
    • 6 rainbow-colored plastic magnifying glasses
    • Each measures 8" L. x 4 ½" W. with 4.5x magnification
    • Stores in convenient stand
    • Ages 4 yrs. +
  • Metamorphosis Magic

    Regular Price: $59.95

    Special Price $39.95

    • 30 pc. set
    • Depicts five changes from beginning to adult of the frog, ladybug, beetle, bee, butterfly, and dragonfly
    • Ages 3 yrs.+
  • Simple Machines

    Regular Price: $259.99

    Special Price $199.99

    Only 9 left
    • Set of 6
    • Made of hardwood
    • Includes the Fulcrum Balance, The Pendulum, the Inclined Plane, the Wheel & Axle, the Gear, and the Pulley
    • Size of Gear is 15" L.; the Pulley is 15½" H.
    • Ages 4 yrs+
  • Discovery Projectors

    Regular Price: $59.98

    Special Price $39.99

    • Includes 6 viewers and 18 reels
    • Child-sized and easy to operate
    • Viewer is approx. 4 1/2" L.
    • Ages 3 yrs.+

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