| 摘要 |
<p>An educational construction apparatus typically as a kit, including in combination, a plurality of elongate tubular members of various lengths, a plurality of joining connectors, adapted to enable an angular joining of the tubular members, the lengths of the tubular members in mathematical relationship to one another, wherein in use, connectors enabling assembly of the tubular members to form a structure of sufficient size to allow a user, typically a child, to move in and out of the structure.</p> |
