Guidecraft Grippies Waves-20 set

Grippies Waves – a visual STEM building set for toddlers
Includes five sizes of magnetic shapes with clear windows for stacking, balancing and nesting
Watch the flowing water inside gently move around its encased space
Soft, overmolded plastic promotes tactile exploration
Discovery of magnetic principles, cause and effect and kinetic energy
Promotes fine motor, gross motor and observation skills
Available in 12 and 20 piece sets
Age 18 months+