left and right arms of a user respectively this allows multiple users to play with the sand s and toys t simultaneously thus as shown herein a first pair of arm access assemblies 32a 32b are provided in association with the first side wall 26a of the enclosure and a second pair of arm access assemblies 34a 34b are provided opposite the first pair 32a 32b in association with the second side wall 26b the members 32a 32b and 34a 34b of each pair are spaced apart from each other a distance that approximates the distance separating a child 39 s arm so that a child may comfortably place his her left and right arms in the arm access assemblies 32a 32b or 34a 34b respectively as noted the pairs of arm access assemblies a are preferably arranged directly opposite each other so that the users manipulating sand s and toys t in the enclosure e by way of the arm access assembly pairs 32a 32b and 34a 34b can see each other through the transparent panels 26a 26b and can play together if desired in a particular section of the interior i of course other arm access assemblies a can be formed through the end walls 22a 22b or the side walls 26a 26b without departing from the overall scope and intent of the present invention with reference now also to fig5 the construction of each arm access assembly a.