Maze Roll-Ball Building Blocks elfinbook Lenses Optical Attribute: UV400

Lenses Optical Attribute: UV400

Chain Length: 65 cm

Includes: 20 child safety locks

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Maze Roll-Ball Building Blocks elfinbook Lenses Optical Attribute: UV400Watch in amazement as marbles fly through tunnels, spiral down ramps, and drop through funnels in the spectacular Maze Roll Ball Building Blocks! Children design and build their own marble run using compatible large size bricks, then launch their marbles and watch the magic happen over and over again. Age Range: 3 years and up Available Sets: 52 pieces, 156 pieces, or 208 pieces Material: Durable ABS plastic compatible with major brick brands Skills