Diagonal cube 17090
33 × 26 × 19 cm
Composition 17009
60 × 60 cm
Spiral 17029
120 × 32 × 10 cm
Composition 17008
60 × 60 cm
Spiral 17028
115 × 30 × 10 cm
Composition 17007
60 × 60 cm
Block construction 17028
70 × 50 cm
Composition 17006
60 × 60 cm
Compound circles 17004
45 × 45 cm
Armilar block 17018
42 × 30 × 8 cm