Children explore geometric and engineering builds while developing their fine motor， spatial thinking， collaboration， problem solving skills through open-ended quality blocks play with blocks science set D. 135 smooth-sanded rubber wood pieces.

• Dimension: 9.25" L x 9" H x 3" W
• Block science unit blocks set D includes contains 135 pieces total 32 unit blocks， 165 unit blocks， 4 double unit blocks 6
• Roman arches， 4 roof boards， and 2 floor boards， 45 circles， 4 gothic arches， 2 small buttresses， 225 circle curves， 225 circles， 1 intersection， and 25 circle curves
• 2 quadruple unit blocks， 8 ramps， 8 triangles， 6 large cylinders， 6 small cylinders， 6 pillars， 6 small triangles， 65 pillars， 65 cylinder
• Develop fine motor skills， early engineering concepts， collaboration， spatial thinking， problem solving， and STEM concepts
• For above 2 years
• The blocks are sized based on the basic unit block measurement of 14" x 28" x 55"
• Made with smooth-sanded durable rubber wood
• Enhance and expand on block play
• Warranty 1 year from purchase against manufacturer defects
• Rubberwood
• Wipe Clean
• Imported