With a marble effect on the cubes, these are REALLY hard. This is a serious challenge for anyone! 

The HAPPY CUBE© PRO is harder than the Happy Cube Original and distinguishable by its camouflage markings.

The HAPPY CUBE© ORIGINAL are the original cubes, which are nicely challenging for all ages starting 6 + till 99 years.

HAPPY CUBE© JUNIOR is the easiest of the Happy Cube Family

Magnetic discs that rotate independently allow for a fun way to experiment with centrifugal force.

Magnetic discs that rotate independently allow for a fun way to experiment with centrifugal force.

Magnetic discs that rotate independently allow for a fun way to experiment with centrifugal force.

Inspire your child to be a musician.

Discover the mechanics of music by building Smartivity's all-time greatest global hit - the Mechanical Xylofun Music Machine.

• For 8 to 14 year old Girls and Boys
• Concepts at Play - Music and Notes, Harmony, Creativity, Composition Skills
• Ideal 1st Smartivity Toy for your child

Build a hydraulic crane, push the syringes and use pressure to lift up the block.