These Mobilo Eco connectors and wheels are manufactured with 83% bio-plastics and 17% of traditional plastics. They are compatible with all other Mobilo sets and components. This STEM constructor will enrich children's play in preschools and schools.

Set Includes:

• 6 axles 
• 12 small wheels
• 4 couplings
• 10 inner connectors
• 4 clips
• 6 covering plates
• 2 extra large wheels
• 2 rotating pieces
• 10 external connectors
• 4 cross connectors
• 4 triple connectors

For ages 3 - 8 years.