3D Gears Advanced - Grade Level: 1-3

3D Gears Advanced 270 piece set includes universal joints used to transmit rotary motion to distant gears not in the same plane. Glow-in-the-dark pegs add 'special-effects" to the dynamic chain reaction of spinning mechanics. Interlocking base plates and 6-way joints complete this set. Includes Teacher's Guide. Grade Level: 1-3