This sorting box includes 90 wooden nature-themed pieces. Practice counting and sorting. Or, build small world scenes with acorns, mushrooms, ladybugs, leaves, rocks and more. Use these pieces for loose parts play. Or, incorporate them into lessons about nature. All components are made from durable birch, pine and plywood to last for years of use.Build small worlds and create themed stories with these wooden pieces. Or, incorporate them into lessons about nature. These loose parts are ideal for early math concepts like counting and sorting. 90 wooden nature-themed pieces and a sorting tray. Store the pieces in the painted wooden tray. Size of sorting box: 10.4”L x 10.4”W x 1.8”H. Size of acorn: 1.2″L x 0.8″W.