Guidecraft Jr. Hollow Blocks - Set of 16: STEM Learning & Educational Game for Children; Build Imagination, Creativity and Focus

Oversized hollow blocks for giant creations! This 16-piece set is constructed of birch plywood and solids. Edges are rounded and surfaces are sanded smooth for safety and hours of creative play. Blocks are sealed and finished inside and out. For indoor use only. Ages 3+ .Largest block measures: 15.5"W x 8"D x 4"H. Smallest block measures: 4"W x 8"D x 4"H

Over-sized open-ended hollow building blocks for ages 3+ Set includes 16 pieces Use them on their own or enhance block play by combining with sets of unit blocks Material: Birch plywood and solids, sealed and finished with a UV coating Educational Focus: Spatial reasoning, problem solving, mathematical skills and collaborative negotiation