A flying aircraft supported by a birotor having dihedral blades
EP2032225A1
A flying toy supported by a birotor whose blades are partially flexible
WO2007147641A1
An eolian tower with a birotor
EP1454662A1
An element for composing a track of the fall type for run of marbles
EP1543485A1
A didactic aid for learning a positional numbering notation system
EP1378280A2
Application game with use of flocked elements
BR0302030A
Track on which vehicles driven solely or mainly by gravity may travel, straight or curved track element for track structure of a track, coupling element for track elements, element for the composition of the support structure of a track, base element for a support structure, coupling element for a support structure, element having a multiple modular extension for a support structure, multiple connecting element, connecting element for a support structure, element for regulating the extension of a cable of a support staging system, suspended runway for entertainment purposes, combinable modular element system for the composition of a track, and any combinable modular element for the composition of a track
WO03031009A1
Suspended runway
EP1114661A2
System for connecting cardan joints by frictional insertion to rotating parts like shafts
EP1022040A2
A system of elements for the composition of static or dynamic constructions
EP1023927A2
Basket box for containing a game, including a black-board
EP0852960A2
Open box for a mosaic game
EP0443669A2
Instructive toy in form of a vehicle model to be assembled
EP0429113A1
Element for didactic game and assembly constituted by such elements
EP0149285A2
Method of making containers, containers resulting from it and elements for their formation
EP0100116A2
Flying toy functioning as a kite as well as a glider, and provided with stabilizing means
