Ice skating surface
Ice-skating exercise device
Illuminatable jump rope device
Illuminated jump rope
Illuminated jump rope apparatus
Illusion amusement device
Illusion apparatus
Illusion apparatus
Illusion apparatus
Illusion creating device
Illusion toy
Image forming apparatus and method
Impact and speed measuring system
Impact training device
Impact-absorbing safety matting system for a children's play mat
Impact-absorbing safety matting system for a helipad
Impact-absorbing safety matting system for a sports game surface
Impingement exerciser with force monitoring and feedback system
Implement for heavy athletics
Implement for magic trick for falsely cutting card or the like