Build up a tower of jungle friends and learn your ABC and numbers 1-10! The Crocodile Creek Jungle Jamboree ABC & 123 Stack n Play 10 Nesting Blocks Set is a beautifully illustrated set of first stacking blocks. The enclosed 10 block perfectly nest into each other or can be stacked up to 39 inches tall tower! ! The heavy-duty cardboard cubes stack up easily or nest away for easy storage. Whimsical pictures of the jungle animals will help kids to find their first numbers and letters. This Educational Toys Planet's nesting blocks set comes in a sturdy box with rope handle. The nesting blocks range from 2 to 6 inches square.