A wooden chain reaction, puzzle and construction game for children aged 5 and over. Children copy the 3 designs in the instructions booklet to build courses, or make up their own - the possibilities are endless! In the box: a tunnel for creating the surprise, a wacky car and funny Zig domino characters. 

• Construction game: children will need to use skill to position the pieces and make a course.
• Chain reaction game: designed to be accessible for little ones aged 5+, the multiple connections allow the elements to be positioned easily.
• Observation game: the magic of chains of movement!
• Step-by-step instructions for 3 designs are provided to help children build their courses.
• Invent endless courses for hours of fun!
• Play alone or with others.
• Contents: 42-piece wooden construction game with 3 large wooden balls. 24-page instructions booklet.
• Measures approximately: 2.17 x 9.84 x 9.84 inches.