发明名称 TOY AND INSTRUCTIONAL APPARATUS
摘要 <p>This is a toy and instructional apparatus which includes a hollow blow tube (10) having light weight elements (11) normally confined therewithin and connected to each other by flexible attachment means (12) with the flexible attachment means being anchored to the tube by a post (15) to suspend the elements from the tube when the same are discharged therefrom by blowing into the inlet end (10a) of the tube and including cap means (16) for retaining the elements within the tube when not in use. The apparatus can also be used to relieve tension or anger of the user.</p>
申请公布号 WO1991002341(A1) 申请公布日期 1991.02.21
申请号 US1990004160 申请日期 1990.07.24
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