LEGO GBC module: Pole Dancing Quartet

Great Ball Contraption (GBC) at Japan Brickfest 2023

LEGO 3-axis Styrofoam Cutter

Oblique swivel joint mechanisms

Great Ball Contraption(GBC) at Japan Brickfest 2022

LEGO Mangle rack clock

LEGO Mangle rack mechanisms

Lego Ball Bearings

LEGO Great Ball Contraption: FiveTilted Rings

Lego roller coaster track: a 68-meter GoPro trip レゴ 68mコース車載カメラ

Lego Rotary Engine (Wankel engine)

Lego Reuleaux Triangle Mechanisms レゴでルーローの三角形

Lego GBC module: Spiral Lift compact type　レゴ スパイラルリフト

Lego Motorized Spacecraft Elevator レゴ SF風エレベータ

Lego GBC module: 6-axis Robot

Lego Roller Coaster Track Climber Type3 "Squirrel"

Lego GBC module: Cars with adaptive cruise control(subtitled)

Lego Great Ball Contraption: Extended Peanuts

Lego GBC module: Peanuts

Making the Lego GBC module Peanuts (subtitled)

Great Ball Contraption(GBC) at Japan Brickfest 2019

Lego GBC module: Heart Chain

Lego GBC module: Catch and Spin Robots

Lego GBC module: Hockey Stick Lift

Lego Rail Climber Type2

Lego Rail Climber Type1

Great Ball Contraption(GBC) at Japan Brickfest 2018

Lego Railway System: Debut layout

Lego Railway System: Rotary dumper module & Elevator module

Lego Railway System: Passing module, double crossover type