Interconnectable space filling model

Interconnecting building toy panels

Method of generating continuous non-looped sound effects

Modular structures having hinge and mating pin fastening means

Multi-facet decoration assembly

Multi-purpose building block

Multi-purpose interlocking block

Optical device which is convertible to a toy robot

Panel element for multi-part construction toy

Panel for toy construction system

Panels for construction toy set

Periscope with one piece housing and mirror holding elements

Play building element

Playhouse

Polygonal puzzle kit capable of three-dimensional construction,

Real construction game (RCG)

Real time remotely controlled robot

Self-supporting building cards

Slotted and grooved construction toy

Slotted panels with slotted connectors