Easily Connect Premium Magnetic X-Bars for Hours of Open-Ended Play.;Develop Creativity, Imagination, Mathematical, and Scientific Thinking.;Set includes 8 short bars, 4 long bars, 2 short LED bars, 1 long LED bar, 4 curved bars, 9 metal balls, and 1 helicopter.;High Resistance PC Plastic is safe. It will not break or crack; PA-FREE plastic comes in 6 bright colors.;Patented cogwheel structure allow stronger binding strength and build.

• X-Bar Magnetic Construction Set-30 Piece Emergency Landing Set
• Blue

X-Bar Magnetic Construction Set-30 Piece Emergency Landing SetClickBlock